American Regent, Inc.

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2.1 Partial Onset Seizures

Adults 16 Years and Older

Initiate treatment with a daily dose of 1000 mg/day, given as twice-daily dosing (500 mg twice daily). Additional dosing increments may be given (1000 mg/day additional every 2 weeks) to a maximum recommended daily dose of 3000 mg. There is no evidence that doses greater than 3000 mg/day confer additional benefit.

Pediatric Patients

1 Month to < 6 Months

Initiate treatment with a daily dose of 14 mg/kg in 2 divided doses (7 mg/kg twice daily). Increase the daily dose every 2 weeks by increments of 14 mg/kg to the recommended daily dose of 42 mg/kg (21 mg/kg twice daily). In the clinical trial, the mean daily dose was 35 mg/kg in this age group. The effectiveness of lower doses has not been studied.

6 Months to < 4 Years

Initiate treatment with a daily dose of 20 mg/kg in 2 divided doses (10 mg/kg twice daily). Increase the daily dose in 2 weeks by an increment of 20 mg/kg to the recommended daily dose of 50 mg/kg (25 mg/kg twice daily). If a patient cannot tolerate a daily dose of 50 mg/kg, the daily dose may be reduced. In the clinical trial, the mean daily dose was 47 mg/kg in this age group.

4 Years to < 16 Years

Initiate treatment with a daily dose of 20 mg/kg in 2 divided doses (10 mg/kg twice daily). Increase the daily dose every 2 weeks by increments of 20 mg/kg to the recommended daily dose of 60 mg/kg (30 mg/kg twice daily). If a patient cannot tolerate a daily dose of 60 mg/kg, the daily dose may be reduced. In the clinical trial, the mean daily dose was 44 mg/kg. The maximum daily dose was 3000 mg/day.

2.2 Myoclonic Seizures in Patients with Juvenile Myoclonic Epilepsy

Initiate treatment with a dose of 1000 mg/day, given as twice-daily dosing (500 mg twice daily). Increase the dosage by 1000 mg/day every 2 weeks to the recommended daily dose of 3000 mg. The effectiveness of doses lower than 3000 mg/day has not been studied.

2.3 Primary Generalized Tonic-Clonic Seizures

Adults 16 Years and Older

Initiate treatment with a dose of 1000 mg/day, given as twice-daily dosing (500 mg twice daily). Increase dosage by 1000 mg/day every 2 weeks to the recommended daily dose of 3000 mg. The effectiveness of doses lower than 3000 mg/day has not been adequately studied.

Pediatric Patients Ages 6 to <16 Years

Initiate treatment with a daily dose of 20 mg/kg in 2 divided doses (10 mg/kg twice daily). Increase the daily dose every 2 weeks by increments of 20 mg/kg (10 mg/kg twice daily) to the recommended daily dose of 60 mg/kg (30 mg/kg twice daily). The effectiveness of doses lower than 60 mg/kg/day has not been adequately studied.

2.4 Switching from Oral Dosing

When switching from oral levetiracetam, the initial total daily intravenous dosage of levetiracetam should be equivalent to the total daily dosage and frequency of oral levetiracetam.

2.5 Switching to Oral Dosing

At the end of the intravenous treatment period, the patient may be switched to levetiracetam oral administration at the equivalent daily dosage and frequency of the intravenous administration.

2.6 Preparation and Administration Instructions

Levetiracetam injection is for intravenous use only and should be diluted in 100 mL of a compatible diluent prior to administration. If a smaller volume is required (e.g. pediatric patients), the amount of diluent should be calculated to not exceed a maximum levetiracetam concentration of 15 mg per mL of diluted solution. Consideration should also be given to the total daily fluid intake of the patient. Levetiracetam injection should be administered as a 15-minute IV infusion. One vial of levetiracetam  injection contains 500 mg levetiracetam (500 mg/5 mL).

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. Product with particulate matter or discoloration should not be used.

Any unused portion of the levetiracetam injection vial contents should be discarded.

Adults

See Table 1 for the recommended preparation and administration of levetiracetam injection for adults to achieve a dose of 500 mg, 1000 mg, or 1500 mg.

Table 1: Preparation and Administration of Levetiracetam Injection for Adults Dose Withdraw Volume Volume of Diluent Infusion Time  500 mg  5 mL (5 mL vial)  100 mL  15 minutes  1000 mg  10 mL (two 5 mL vials)  100 mL  15 minutes  1500 mg  15 mL (three 5 mL vials)  100 mL  15 minutes

For example, to prepare a 1000 mg dose, dilute 10 mL of levetiracetam injection in 100 mL of a compatible diluent and administer intravenously as a 15-minute infusion.

Pediatric Patients

When using levetiracetam injection for pediatric patients, dosing is weight-based (mg per kg).

The following calculation should be used to determine the appropriate daily dose of levetiracetam injection for pediatric patients:

 Total daily dose (mL/day) =  Daily dose (mg/kg/day) × patient weight (kg)  100 mg/mL

2.7 Dosage Adjustments in Adult Patients with Renal Impairment

Levetiracetam dosing must be individualized according to the patient's renal function status. Recommended dosage adjustments for adults with renal impairment are shown in Table 2. Information is unavailable for dosage adjustments in pediatric patients with renal impairment. In order to calculate the dose recommended for adult patients with renal impairment, creatinine clearance adjusted for body surface area must be calculated. To do this an estimate of the patient's creatinine clearance (CLcr) in mL/min must first be calculated using the following formula:

 CLcr=  [140-age (years)] × weight (kg)  (× 0.85 for female patients)  72 × serum creatinine (mg/dL)

Then CLcr is adjusted for body surface area (BSA) as follows:

 CLcr (mL/min/1.73m2)=  CLcr (mL/min)  × 1.73  BSA subject (m2) Table 2: Dosage Adjustment Regimen for Adult Patients with Renal Impairment Group Creatinine Clearance(mL/min/1.73m2) Dosage(mg) Frequency * Following dialysis, a 250 to 500 mg supplemental dose is recommended.  Normal  > 80  500 to 1,500  Every 12 hours  Mild  50 to 80  500 to 1,000  Every 12 hours  Moderate  30 to 50  250 to 750  Every 12 hours  Severe  < 30  250 to 500  Every 12 hours  ESRD patients using dialysis  -------  500 to 1,000*  Every 24 hours*

2.8 Compatibility and Stability

Levetiracetam injection was found to be physically compatible and chemically stable when mixed with the following diluents and antiepileptic drugs for at least 24 hours and stored in polyvinyl chloride (PVC) bags at controlled room temperature 15° to 30°C (59° to 86°F).

DiluentsSodium chloride (0.9%) injection, USPLactated Ringer's injectionDextrose 5% injection, USP

Other Antiepileptic Drugs LorazepamDiazepamValproate sodium

There is no data to support the physical compatibility of levetiracetam injection with antiepileptic drugs that are not listed above.

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Etomidate Injection is intended for administration only by the intravenous route (see CLINICAL PHARMACOLOGY). The dose for induction of anesthesia in adult patients and in pediatric patients above the age of ten (10) years will vary between 0.2 and 0.6 mg/kg of body weight, and it must be individualized in each case. The usual dose for induction in these patients is 0.3 mg/kg, injected over a period of 30 to 60 seconds. There are inadequate data to make dosage recommendations for induction of anesthesia in patients below the age of ten (10) years; therefore, such use is not recommended. Geriatric patients may require reduced doses of etomidate.

Smaller increments of intravenous etomidate may be administered to adult patients during short operative procedures to supplement subpotent anesthetic agents, such as nitrous oxide. The dosage employed under these circumstances, although usually smaller than the original induction dose, must be individualized. There are insufficient data to support this use of etomidate for longer adult procedures or for any procedures in pediatric patients; therefore, such use is not recommended. The use of intravenous fentanyl and other neuroactive drugs employed during the conduct of anesthesia may alter the etomidate dosage requirements. Consult the prescribing information for all other such drugs before using.

Premedication

Etomidate Injection is compatible with commonly administered pre-anesthetic medications, which may be employed as indicated. See also CLINICAL PHARMACOLOGY, ADVERSE REACTIONS, and dosage recommendations for maintenance of anesthesia.

Etomidate hypnosis does not significantly alter the usual dosage requirements of neuromuscular blocking agents employed for endotracheal intubation or other purposes shortly after induction of anesthesia.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

To prevent needle-stick injuries, needles should not be recapped, purposely bent, or broken by hand.

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Adults:

The usual dosage for persons 13 years of age and over is 1 mL buprenorphine hydrochloride injection (0.3 mg buprenorphine) given by deep intramuscular or slow (over at least 2 minutes) intravenous injection at up to 6-hour intervals, as needed. Repeat once (up to 0.3 mg) if required, 30 to 60 minutes after initial dosage, giving consideration to previous dose pharmacokinetics, and thereafter only as needed. In high-risk patients (e.g., elderly, debilitated, presence of respiratory disease, etc.) and/or in patients where other CNS depressants are present, such as in the immediate postoperative period, the dose should be reduced by approximately one-half.  Extra caution should be exercised with the intravenous route of administration, particularly with the initial dose.

Occasionally, it may be necessary to administer single doses of up to 0.6 mg to adults depending on the severity of the pain and the response of the patient. This dose should only be given I.M. and only to adult patients who are not in a high risk category (see WARNINGS and PRECAUTIONS). At this time, there are insufficient data to recommend single doses greater than 0.6 mg for long-term use.

Children:

Buprenorphine hydrochloride injection has been used in children 2 to 12 years of age at doses between 2 to 6 mcg/kg of body weight given every 4 to 6 hours. There is insufficient experience to recommend a dose in infants below the age of two years, single doses greater than 6 mcg/kg of body weight, or the use of a repeat or second dose at 30 to 60 minutes (such as is used in adults).  Since there is some evidence that not all children clear buprenorphine faster than adults, fixed interval or "round-the-clock" dosing should not be undertaken until the proper inter-dose interval has been established by clinical observation of the child. Physicians should recognize that, as with adults, some pediatric patients may not need to be remedicated for 6 to 8 hours.

Safety and Handling:

Buprenorphine hydrochloride injection is supplied in sealed vials and poses no known environmental risk to health care providers. Accidental dermal exposure should be treated by removal of any contaminated clothing and rinsing the affected area with water.

Buprenorphine hydrochloride injection is a potent narcotic, and like all drugs of this class has been associated with abuse and dependence among health care providers. To control the risk of diversion, it is recommended that measures appropriate to the health care setting be taken to provide rigid accounting, control of wastage, and restriction of access.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Nandrolone decanoate injection is intended for deep intramuscular injection only, into the gluteal muscle preferably.  Dosage should be based on therapeutic response and consideration of the benefit to risk ratio.  Duration of therapy will depend on the response of the condition and the appearance of adverse reactions.  If possible, therapy should be intermittent.  Nandrolone decanoate should be regarded as adjunctive therapy and adequate quantities of nutrients should be consumed in order to obtain maximal therapeutic effects.  For example, when it is used in the treatment of refractory anemia, adequate iron intake is required for a maximal response.

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Symptomatic control of myasthenia gravis: One mL of the 1:2000 solution (0.5 mg) subcutaneously or intramuscularly. Subsequent doses should be based on the individual patient's response. In most patients, however, oral treatment with Neostigmine Bromide tablets, 15 mg each, is adequate for control of symptoms.

Prevention of postoperative distention and urinary retention: 0.25 mg subcutaneously or intramuscularly as soon as possible after operation; repeat every 4 to 6 hours for two or three days.

Treatment of postoperative distention: One mL of the 1:2000 solution (0.5 mg) subcutaneously or intramuscularly, as required.

Treatment of urinary retention: One mL of the 1:2000 solution (0.5 mg) subcutaneously or intramuscularly. If urination does not occur within an hour, the patient should be catheterized. After the patient has voided, or the bladder has been emptied, continue the 0.5 mg injections every three hours for at least 5 injections.

Reversal of Effects of Non-depolarizing Blocking Agents: When Neostigmine Methylsulfate Injection, USP is administered intravenously, it is recommended that Atropine Sulfate (0.6 to 1.2 mg) also be given intravenously using separate syringes. Some authorities have recommended that the Atropine be injected several minutes before the Neostigmine rather than concomitantly. The usual dose is 0.5 to 2 mg Neostigmine Methylsulfate Injection, USP given by slow intravenous injection, repeated as required. Only in exceptional cases should the total dose of Neostigmine Methylsulfate exceed 5 mg. It is recommended that the patient be well ventilated and a patent airway maintained until complete recovery of normal respiration is assured. The optimum time for administration of the drug is during hyperventilation when the carbon dioxide level of the blood is low. It should never be administered in the presence of high concentrations of halothane or cyclopropane. In cardiac cases and severely ill patients, it is advisable to titrate the exact dose of Neostigmine Methylsulfate required, using a peripheral nerve stimulator device. In the presence of bradycardia, the pulse rate should be increased to about 80/minute with Atropine before administering Neostigmine.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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NOT FOR DIRECT INTRAVENOUS INJECTION

NITROGLYCERIN INJECTION IS A CONCENTRATED, POTENT DRUG WHICH MUST BE DILUTED IN DEXTROSE (5%) INJECTION OR SODIUM CHLORIDE (0.9%) INJECTION PRIOR TO ITS INFUSION. NITROGLYCERIN INJECTION SHOULD NOT BE MIXED WITH OTHER DRUGS.

Initial Dilution: Aseptically transfer the contents of one nitroglycerin vial (50 mg of nitroglycerin) into a 500 mL glass bottle of either Dextrose (5%) Injection or Sodium Chloride Injection (0.9%). This yields a final concentration of 100 mcg/mL. Diluting 5 mg nitroglycerin into 100 mL will yield a final concentration of 50 mcg/mL. Maintenance Dilution: It is important to consider the fluid requirements of the patient as well as the expected duration of infusion in selecting the appropriate dilution of Nitroglycerin Injection. After the initial dosage titration, the concentration of the solution may be increased, if necessary, to limit fluids given to the patient. The nitroglycerin concentration should not exceed 400 mcg/mL. See chart.

Note: If the concentration is adjusted, it is imperative to flush or replace the infusion set before a new concentration is utilized. If the set were not flushed or replaced, it could take minutes to hours, depending upon the flow rate and the dead space of the set, for the new concentration to reach the patient.

Invert the glass parenteral bottle several times to assure uniform dilution of the nitroglycerin.

Dosage is affected by the type of container and administration set used. See WARNINGS.

Although the usual starting adult dose range reported in clinical studies was 25 mcg/min or more, these studies used PVC administration sets. THE USE OF NON-ABSORBING TUBING WILL RESULT IN THE NEED FOR REDUCED DOSES.

If a peristaltic action infusion pump is used, an appropriate administration set should be selected with a drip chamber that delivers approximately 60 microdrops/mL. Table 1 and the Nitroglycerin Injection Dilution Table below may be used to calculate the nitroglycerin dilution and flow rate in microdrops/minute to achieve the desired Nitroglycerin Injection administration rate.

If a volumetric infusion pump is used, an appropriate volumetric infusion pump connector set should be selected. Table 1 below may still be used; however, flow rate will be determined directly by the infusion pump, independent of the drop size of the appropriate set drip chambers. Thus, the reference to ``microdrops/min′′ is not applicable, and the corresponding flow rate in mL/hr should be used to determine pump settings.

When using a non-absorbing infusion set, the initial dosage should be 5 mcg/min delivered through an infusion pump capable of exact and constant delivery of the drug. Subsequent titration must be adjusted to the clinical situation, with dose increments becoming more cautious as partial response is seen. Initial titration should be in 5 mcg/min increments, with increases every 3-5 minutes until some response is noted. If no response is seen at 20 mcg/min, increments of 10 and later 20 mcg/min can be used. Once a partial blood pressure response is observed, the dose increase should be reduced and the interval between increases should be lengthened.

Some patients with normal or low left ventricular filling pressures or pulmonary capillary wedge pressure (e.g., angina patients without other complications) may be hypersensitive to the effects of nitroglycerin and may respond fully to doses as small as 5 mcg/min. These patients require especially careful titration and monitoring.

There is no fixed optimum dose of nitroglycerin. Due to variations in the responsiveness of individual patients to the drug, each patient must be titrated to the desired level of hemodynamic function. Therefore, continuous monitoring of physiologic parameters (i.e., blood pressure and heart rate in all patients, other measurements such as pulmonary capillary wedge pressure, as appropriate) MUST be performed to achieve the correct dose. Adequate systemic blood pressure and coronary perfusion pressure must be maintained.

Dilution:

Nitroglycerin Injection is supplied in 5 mg/mL solution. A dilution and administration scheme for Nitroglycerin Injection is shown in Table 1 below.

TABLE 1

60 MICRODROPS = 1 mL

Solution Concentration (mcg/mL) 100 200 400 Dose (mcg/min) FLOW RATE (microdrops/min = mL/hr) 5 3 — — 10 6 3 — 15 9 — — 20 12 6 3 30 18 9 — 40 24 12 6 60 36 18 9 80 48 24 12 120 72 36 18 160 96 48 24 240 — 72 36 320 — 96 48 480 — — 72 640 — — 96 NITROGLYCERIN INJECTION DILUTION TABLE

(Diluent: Dextrose 5% Injection or Sodium Chloride Injection (0.9%))

Each mL of Nitroglycerin Injection contains 5 mg of nitroglycerin. Total Contents: Each 10 mL vial contains 50 mg of nitroglycerin. mL of Nitroglycerin Injection mg Final Concentration 100 mcg/mL 200 mcg/mL 400 mcg/mL Volume q.s. to q.s. to q.s. to 5 mL 25 mg 250 mL 125 mL - - - 10 mL 50 mg 500 mL 250 mL 125 mL 20 mL 100 mg 1000 mL 500 mL 250 mL 40 mL 200 mg - - - 1000 mL 500 mL

NOTE: Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit.

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Potassium Phosphates Injection is administered intravenously only after dilution in a larger volume of fluid. The dose and rate of administration are dependent upon the individual needs of the patient. Serum potassium, inorganic phosphorus and calcium levels should be monitored as a guide to dosage.

Withdraw the calculated volume aseptically and transfer to appropriate intravenous fluid to provide the desired number of millimoles (mM) of phosphorus and milliequivalents (mEq) of potassium.

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Since there is no significant difference in onset of effect after intravenous or intramuscular injection, usually there is no need to use the intravenous route.  The drug is quickly effective after either route, with improvement sometimes noticeable a few minutes after injection.  In emergency situations, when the condition of the patient is alarming, 1 to 2 mL of the injection normally will provide quick relief.  If the parkinsonian effect begins to return, the dose can be repeated.

Because of cumulative action, therapy should be initiated with a low dose which is increased gradually at five or six-day intervals to the smallest amount necessary for optimal relief.  Increases should be made in increments of 0.5 mg, to a maximum of 6 mg, or until optimal results are obtained without excessive adverse reactions.

Postencephalitic and Idiopathic Parkinsonism

The usual daily dose is 1 to 2 mg, with a range of 0.5 to 6 mg parenterally.

As with any agent used in parkinsonism, dosage must be individualized according to age and weight, and the type of parkinsonism being treated.  Generally, older patients, and thin patients cannot tolerate large doses.  Most patients with postencephalitic parkinsonism need fairly large doses and tolerate them well. Patients with a poor mental outlook are usually poor candidates for therapy.

In idiopathic parkinsonism, therapy may be initiated with a single daily dose of 0.5 to 1 mg at bedtime.  In some patients, this will be adequate; in others 4 to 6 mg a day may be required.

In postencephalitic parkinsonism, therapy may be initiated in most patients with 2 mg a day in one or more doses.  In highly sensitive patients, therapy may be initiated with 0.5 mg at bedtime, and increased as necessary.

Some patients experience greatest relief when given the entire dose at bedtime; others react more favorably to divided doses, two to four times a day.  Frequently, one dose a day is sufficient, and divided doses may be unnecessary or undesirable.

The long duration of action of this drug makes it particularly suitable for bedtime medication when its effects may last throughout the night, enabling patients to turn in bed during the night more easily, and to rise in the morning.

When benztropine mesylate injection is started, do not terminate therapy with other antiparkinsonian agents abruptly.  If the other agents are to be reduced or discontinued, it must be done gradually. Many patients obtain greatest relief with combination therapy.

Benztropine mesylate injection may be used concomitantly with carbidopa-levodopa, or with levodopa, in which case periodic dosage adjustment may be required in order to maintain optimum response.

Drug-Induced Extrapyramidal Disorders

In treating extrapyramidal disorders due to neuroleptic drugs (e.g., phenothiazines), the recommended dosage is 1 to 4 mg once or twice a day parenterally.  Dosage must be individualized according to the need of the patient.  Some patients require more than recommended; others do not need as much.

In acute dystonic reactions, 1 to 2 mL of the injection usually relieves the condition quickly.

When extrapyramidal disorders develop soon after initiation of treatment with neuroleptic drugs (e.g., phenothiazines), they are likely to be transient.  One to 2 mg of benztropine mesylate injection two or three times a day usually provides relief within one or two days.  After one or two weeks, the drug should be withdrawn to determine the continued need for it.  If such disorders recur, benztropine mesylate injection can be reinstituted.  Certain drug-induced extrapyramidal disorders that develop slowly may not respond to benztropine mesylate injection.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration.

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The dose, concentration in dosing solutions, and infusion rate of IV fosphenytoin sodium injection is expressed as phenytoin sodium equivalents (PE) to avoid the need to perform molecular weight-based adjustments when converting between fosphenytoin and phenytoin sodium doses. Fosphenytoin sodium injection should always be prescribed and dispensed in phenytoin sodium equivalent units (PE). Fosphenytoin sodium injection has important differences in administration from those for parenteral phenytoin sodium (see below).

Products with particulate matter or discoloration should not be used. Prior to IV infusion, dilute fosphenytoin sodium injection in 5% dextrose or 0.9% saline solution for injection to a concentration ranging from 1.5 to 25 mg PE/mL.

Status Epilepticus

The loading dose of fosphenytoin sodium injection is 15 to 20 mg PE/kg administered at 100 to 150 mg PE/min. Because of the risk of hypotension, fosphenytoin should be administered no faster than 150 mg PE/min. Continuous monitoring of the electrocardiogram, blood pressure, and respiratory function is essential and the patient should be observed throughout the period where maximal serum phenytoin concentrations occur, approximately 10 to 20 minutes after the end of fosphenytoin sodium injection infusions. Because the full antiepileptic effect of phenytoin, whether given as fosphenytoin sodium injection or parenteral phenytoin, is not immediate, other measures, including concomitant administration of an IV benzodiazepine, will usually be necessary for the control of status epilepticus. The loading dose should be followed by maintenance doses of fosphenytoin sodium injection, or phenytoin either orally or parenterally.

If administration of fosphenytoin sodium injection does not terminate seizures, the use of other anticonvulsants and other appropriate measures should be considered.

IM fosphenytoin sodium injection should not be used in the treatment of status epilepticus because therapeutic phenytoin concentrations may not be reached as quickly as with IV administration. If IV access is impossible, loading doses of fosphenytoin sodium injection have been given by the IM route for other indications.

Nonemergent Loading and Maintenance Dosing

The loading dose of fosphenytoin sodium injection is 10 to 20 mg PE/kg given IV or IM. The rate of administration for IV fosphenytoin sodium injection should be no greater than 150 mg PE/min. Continuous monitoring of the electrocardiogram, blood pressure, and respiratory function is essential and the patient should be observed throughout the period where maximal serum phenytoin concentrations occur, approximately 10 to 20 minutes after the end of fosphenytoin sodium injection infusions.

The initial daily maintenance dose of fosphenytoin sodium injection is 4 to 6 mg PE/kg/day.

IM or IV Substitution For Oral Phenytoin Therapy

Fosphenytoin sodium injection can be substituted for oral phenytoin sodium therapy at the same total daily dose.

Dilantin capsules are approximately 90% bioavailable by the oral route. Phenytoin, supplied as fosphenytoin sodium injection, is 100% bioavailable by both the IM and IV routes. For this reason, plasma phenytoin concentrations may increase modestly when IM or IV fosphenytoin sodium injection is substituted for oral phenytoin sodium therapy.

The rate of administration for IV fosphenytoin sodium injection should be no greater than 150 mg PE/min.

In controlled trials, IM fosphenytoin sodium injection was administered as a single daily dose utilizing either 1 or 2 injection sites. Some patients may require more frequent dosing.

Dosing in Special Populations

Patients with Renal or Hepatic Disease: Due to an increased fraction of unbound phenytoin in patients with renal or hepatic disease, or in those with hypoalbuminemia, the interpretation of total phenytoin plasma concentrations should be made with caution (see CLINICAL PHARMACOLOGY: Special Populations). Unbound phenytoin concentrations may be more useful in these patient populations. After IV fosphenytoin sodium injection administration to patients with renal and/or hepatic disease, or in those with hypoalbuminemia, fosphenytoin clearance to phenytoin may be increased without a similar increase in phenytoin clearance. This has the potential to increase the frequency and severity of adverse events (see PRECAUTIONS).

Elderly Patients: Age does not have a significant impact on the pharmacokinetics of fosphenytoin following fosphenytoin sodium injection administration. Phenytoin clearance is decreased slightly in elderly patients and lower or less frequent dosing may be required.

Pediatric: The safety of fosphenytoin sodium injection in pediatric patients has not been established.

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Subcutaneously or intramuscularly − 0.2 to 1 mL (mg). Start with a small dose and increase if required.

Note: The subcutaneous is the preferred route of administration. If given intramuscularly, injection into the buttocks should be avoided.

For bronchial asthma and certain allergic manifestations, e.g., angioedema, urticaria, serum sickness, anaphylactic shock, use epinephrine subcutaneously. For bronchial asthma in pediatric patients, administer 0.01 mg/kg or 0.3 mg/m2 to a maximum of 0.5 mg subcutaneously, repeated every four hours if required.

For cardiac resuscitation − A dose of 0.5 mL (0.5 mg) diluted to 10 mL with sodium chloride injection can be administered intravenously or intracardially to restore myocardial contractility. External cardiac massage should follow intracardial administration to permit the drug to enter coronary circulation. The drug should be used secondarily to unsuccessful attempts with physical or electromechanical methods.

Store at 20°-25°C (68°-77°F); excursions permitted to 15°-30°C (59°-86°F) (See USP Controlled Room Temperature).

Protect from light.

Parenteral drug products should be inspected visually for particulate matter and discoloration whenever solution and container permit.

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Intramuscularly or subcutaneously — 0.2 to 1 mL. Start with a small dose and increase if required.

Note: The subcutaneous is the preferred route of administration. If given intramuscularly, injection into the buttocks should be avoided.

For bronchial asthma and certain allergic manifestations, e.g., angioedema, urticaria, serum sickness, anaphylactic shock, use epinephrine subcutaneously. For bronchial asthma in pediatric patients, administer 0.01 mL/kg or 0.3 mL/m2 to a maximum of 0.5 mL subcutaneously, repeated every four hours if required.

For cardiac resuscitation —

A dose of 0.5 mL diluted to 10 mL with sodium chloride injection can be administered intravenously or intracardially to restore myocardial contractility. External cardiac massage should follow intracardial administration to permit the drug to enter coronary circulation. The drug should be used secondarily to unsuccessful attempts with physical or electromechanical methods.

Intraspinal use —

Usual dose is 0.2 to 0.4 mL added to anesthetic spinal fluid mixture (may prolong anesthetic action by limiting absorption). For use with local anesthetic – Epinephrine 1:100,000 to 1:20,000 is the usual concentration employed with local anesthetics.

Ophthalmologic use

(for producing conjunctival decongestion, to control hemorrhage, produce mydriasis and reduce intraocular pressure) — Use concentration of 1:10,000 to 1:1,000.

Store below 23°C (73°F). Do not freeze.Protect from light (see PRECAUTIONS).

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

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Phenylephrine hydrochloride is generally injected subcutaneously, intramuscularly, slowly intravenously, or in dilute solution as a continuous intravenous infusion. In patients with paroxysmal supraventricular tachycardia and, if indicated, in case of emergency, phenylephrine hydrochloride is administered directly intravenously. The dose should be adjusted according to the pressor response.

Dosage Calculations

Dose Required 10 mg5 mg1 mg Use Phenylephrine HCl Injection 1% 1 mL0.5 mL0.1 mL

For convenience in intermittent intravenous administration, dilute 1 mL phenylephrine hydrochloride 1% with 9 mL Sterile Water for Injection, USP, to yield 0.1% phenylephrine hydrochloride.

Dose Required 0.1 mg0.2 mg0.5 mg Use Diluted Phenylephrine HCI Injection 0.1% 0.1 mL0.2 mL0.5 mL

Mild or Moderate Hypotension Subcutaneously or lntramuscularly: Usual dose, from 2 mg to 5 mg. Range, from 1 mg to 10 mg. Initial dose should not exceed 5 mg.

Intravenously: Usual dose, 0.2 mg. Range, from 0.1 mg to 0.5 mg. Initial dose should not exceed 0.5 mg.

Injections should not be repeated more often than every 10 to 15 minutes. A 5 mg intramuscular dose should raise blood pressure for one to two hours. A 0.5 mg intravenous dose should elevate the pressure for about 15 minutes.

Severe Hypotension and Shock – Including Drug-Related Hypotension Blood volume depletion should always be corrected as fully as possible before any vasopressor is administered. When, as an emergency measure, intra-aortic pressures must be maintained to prevent cerebral or coronary artery ischemia, phenylephrine hydrochloride can be administered before and concurrently with blood volume replacement.

Hypotension and occasionally severe shock may result from overdosage or idiosyncrasy following the administration of certain drugs, especially adrenergic and ganglionic blocking agents, rauwolfia and veratrum alkaloids, and phenothiazine tranquilizers. Patients who receive a phenothiazine derivative as preoperative medication are especially susceptible to these reactions. As an adjunct in the management of such episodes, phenylephrine hydrochloride is a suitable agent for restoring blood pressure.

Higher initial and maintenance doses of phenylephrine hydrochloride are required in patients with persistent or untreated severe hypotension or shock. Hypotension produced by powerful peripheral adrenergic blocking agents, chlorpromazine, or pheochromocytomectomy may also require more intensive therapy.

Continuous Infusion – Add 10 mg of the drug (1 mL of 1 percent solution) to 500 mL of Dextrose Injection, USP, or Sodium Chloride Injection, USP (providing a 1:50,000 solution). To raise the blood pressure rapidly, start the infusion at about 100 µg to 180 µg per minute (based on 20 drops per mL this would be 100 to 180 drops per minute). When the blood pressure is stabilized (at a low normal level for the individual) a maintenance rate of 40 µg to 60 µg per minute usually suffices (based on 20 drops per mL this would be 40 to 60 drops per minute). If the drop size of the infusion system varies from the 20 drops per mL, the dose must be adjusted accordingly.

If a prompt initial pressor response is not obtained, additional increments of phenylephrine hydrochloride (10 mg or more) are added to the infusion bottle. The rate of flow is then adjusted until the desired blood pressure level is obtained. (In some cases, a more potent vasopressor, such as norepinephrine bitartrate, may be required.) Hypertension should be avoided. The blood pressure should be checked frequently. Headache and/or bradycardia may indicate hypertension. Arrhythmias are rare.

Spinal Anesthesia – Hypotension Routine parenteral use of phenylephrine hydrochloride has been recommended for the prophylaxis and treatment of hypotension during spinal anesthesia. It is best administered subcutaneously or intramuscularly three or four minutes before injection of the spinal anesthetic. The total requirement for high anesthetic levels is usually 3 mg, and for lower levels, 2 mg. For hypotensive emergencies during spinal anesthesia, phenylephrine hydrochloride may be injected intravenously, using an initial dose of 0.2 mg. Any subsequent dose should not exceed the previous dose by more than 0.1 mg to 0.2 mg and no more than 0.5 mg should be administered in a single dose.  To combat hypotension during spinal anesthesia in children, a dose of 0.5 mg to 1 mg per 25 pounds body weight, administered subcutaneously or intramuscularly, is recommended.

Prolongation of Spinal Anesthesia The addition of 2 mg to 5 mg of phenylephrine hydrochloride to the anesthetic solution increases the duration of motor block by as much as approximately 50 percent without any increase in the incidence of complications such as nausea, vomiting, or blood pressure disturbances.

Vasoconstrictor for Regional Analgesia Concentrations about ten times those employed when epinephrine is used as a vasoconstrictor are recommended. The optimum strength is 1:20,000 (made by adding 1 mg of phenylephrine hydrochloride to every 20 mL of local anesthetic solution). Some pressor responses can be expected when 2 mg or more are injected.

Paroxysmal Supraventricular Tachycardia Rapid intravenous injection (within 20 to 30 seconds) is recommended;  the initial dose should not exceed 0.5 mg, and subsequent doses, which are determined by the initial blood pressure response, should not exceed the preceding dose by more than 0.1 mg to 0.2 mg, and should never exceed 1 mg.

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Papaverine Hydrochloride may be administered intravenously or intramuscularly. The intravenous route is recommended when an immediate effect is desired, but the drug must be injected slowly over the course of 1 or 2 minutes to avoid uncomfortable or alarming side effects.

Parenteral administration of papaverine hydrochloride in doses of 1 to 4 mL is repeated every 3 hours as indicated. In the treatment of cardiac extrasystoles, 2 doses may be given 10 minutes apart.

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Vasopressin may be administered intramuscularly or subcutaneously.

Ten units of vasopressin (0.5 mL) will usually elicit full physiologic response in adult patients; 5 units will be adequate in many cases. Vasopressin should be given intramuscularly at three- or four-hour intervals as needed. The dosage should be proportionately reduced for children. (For an additional discussion of dosage, consult the sections below.)

When determining the dose of vasopressin for a given case, the following should be kept in mind.

It is particularly desirable to give a dose not much larger than is just sufficient to elicit the desired physiologic response.  Excessive doses may cause undesirable side effects - blanching of the skin, abdominal cramps, nausea - which, though not serious, may be alarming to the patient. Spontaneous recovery from such side effects occurs in a few minutes. It has been found that one or two glasses of water given at the time vasopressin is administered reduce such symptoms.

Abdominal Distention:

In the average postoperative adult patient, give 5 units (0.25 mL) initially, increase to 10 units (0.5 mL) at subsequent injections if necessary. It is recommended that vasopressin be given intramuscularly and that injections be repeated at three- or four-hour intervals as required. Dosage to be reduced proportionately for children.

Vasopressin used in this manner will frequently prevent or relieve postoperative distension. These recommendations apply also to distention complicating pneumonia or other acute toxemias.

Abdominal Roentgenography:

For the average case, two injections of 10 units each (0.5 mL) are suggested. These should be given two hours and one-half hour, respectively, before films are exposed. Many roentgenologists advise giving an enema prior to the first dose of vasopressin.

Diabetes Insipidus:

Vasopressin may be given by injection or administered intranasally on cotton pledgets, by nasal spray, or by dropper. The dose by injection is 5 to 10 units (0.25 to 0.5 mL) repeated two or three times daily as needed. When vasopressin is administered intranasally by spray or on pledgets, the dosage and interval between treatments must be determined for each patient.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to use, whenever solution and container permit.

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The usual adult dose of this preparation varies from 5 to 10 mL at intervals of 1 to 3 days.

In cardiac resuscitation, the usual dose is 2 to 4 mL injected into the ventricular cavity. Care should be taken to avoid injection into the cardiac muscle.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

TREATMENT OF OVERDOSAGE

Inadvertent systemic overloading with calcium ion can produce an acute hypercalcemic syndrome. The syndrome is characterized by weakness, lethargy, intractable nausea and vomiting, coma, and sudden death, and a markedly elevated plasma calcium level. It is suggested that details of treatment of this problem be obtained by reference to Harrison’s Principles of Internal Medicine Sixth Edition, pg. 475, column 2, “Acute Hypercalcemic Syndrome”.

Store at 20°-25°C (68°-77°F); excursions permitted to 15°-30°C (59°-86°F) (See USP Controlled Room Temperature).

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Chromic Chloride Injection, USP provides 4 mcg chromium/mL. For the metabolically stable adult receiving TPN, the suggested additive dosage level is 10-15 mcg chromium/day. The metabolically stable adult with intestinal fluid loss may require 20 mcg chromium/day, with frequent monitoring of blood levels as a guideline for subsequent administration. For pediatric patients, the suggested additive dosage level is 0.14 to 0.20 mcg/kg/day. Aseptic addition of Chromic Chloride Injection, USP to the TPN solution under a laminar flow hood is recommended. Chromium is physically compatible with the electrolytes and vitamins usually present in the amino acid/dextrose solution used for TPN.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

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Concentrated Zinc Sulfate Injection, USP provides 5 mg zinc/mL. For metabolically stable adults receiving TPN, the suggested intravenous dosage is 2.5 to 4 mg zinc/day. An additional 2 mg zinc/day is suggested for acute catabolic states. For the stable adult with fluid loss from the small bowel, an additional 12.2 mg zinc/liter of small bowel fluid lost, or an additional 17.1 mg zinc/kg of stool or ileostomy output is recommended. Frequent monitoring of zinc blood levels is suggested for patients receiving more than the usual maintenance dosage level of zinc.

For full term infants and children up to 5 years of age, 100 mcg zinc/kg/day is recommended. For premature infants (birth weight less than 1500 g) up to 3 kg in body weight, 300 mcg zinc/kg/day is suggested.

Aseptic addition of Concentrated Zinc Sulfate Injection, USP to the TPN solution under a laminar flow hood is recommended. Zinc is physically compatible with the electrolytes and vitamins usually present in the amino acid/dextrose solution used for TPN.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

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Caffeine and Sodium Benzoate Injection may be administered by intramuscular or slow intravenous injection.

Some clinicians suggest that when used as a mild CNS stimulant to overcome fatigue, oral doses of 100-200 mg of anhydrous caffeine are required. One manufacturer recommends that citrated caffeine be administered orally in dosages of 65-325 mg (about 32-162 mg of anhydrous caffeine) 3 times daily. Another manufacturer recommends an oral dosage of 250 mg of anhydrous caffeine in an extended-release formulation once daily, but warns that the drug should not be administered less than 6 hours before retiring.

Analeptic use of caffeine is strongly discouraged by most clinicians. However, the manufacturer of Caffeine and Sodium Benzoate Injection recommends intramuscular, or in emergency respiratory failure, intravenous injection of 500 mg of the drug (about 250 mg of anhydrous caffeine) or a maximum single dose of 1 gram (about 500 mg of anhydrous caffeine) for the treatment of respiratory depression associated with overdosage of CNS depressants, including narcotic analgesics and alcohol, and with electric shock.

The usual dose is 0.5 g (7 ½ grains) as frequently as directed by the physician. The maximum safe dose is 0.5 g and the total dose in 24 hours should rarely exceed 2.5 g.

Parenteral drug products should be inspected visually for particulate matter prior to administration whenever solution and container permit.

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The usual adult dose of atropine is 0.4 to 0.6 mg. Suggested doses for children are as follows:

7 - 16 pounds - 0.1 mg 17 - 24 pounds - 0.15 mg 24 - 40 pounds - 0.2 mg 40 - 65 pounds - 0.3 mg 65 - 90 pounds - 0.4 mg Over 90 pounds - 0.4 to 0.6 mg

As indicated previously, however, these doses may be considerably exceeded in certain cases.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

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Inspect the vial visually for particulate matter and discoloration prior to use. The contents of opened containers should be used promptly and unused contents should be discarded.

For Intravenous Injection: General Recommendations – Give mannitol injection only intravenously. The total dosage, concentration and rate of administration should be governed by the nature and severity of the condition being treated, fluid requirement and urinary output.

Usual adult dosage ranges from 50 to 200 g in 24 hours but in most instances an adequate response will be achieved at a dosage of approximately 100 g in 24 hours. The rate is usually adjusted to maintain an adequate urine flow (at least 30 to 50 mL an hour).

Test Dose – In marked oliguria or inadequate renal function a test dose of mannitol should be given. The test dose may be approximately 0.2 g/kg (about 50 mL of a 25% solution) infused in 3 to 5 minutes to produce an adequate urine flow (at least 30 to 50 mL/hr). If urine flow does not increase within 2 or 3 hours a second test dose may be given. If there is an inadequate response the patient should be re-evaluated.

Prevention of Acute Renal Failure (Oliguria): When used during surgery, immediately postoperatively or following trauma, 50 to 100 g of mannitol as a 5 to 25 percent solution may be given. The concentration and amount will depend upon the fluid requirements of the patient. Following suspected or actual hemolytic transfusion reactions 20 g of mannitol may be given intravenously over a 5 minute period to provoke diuresis. If diuresis does not occur the 20 g dose may be repeated. If there is an adequate urine flow (30 to 50 mL an hour) then intravenous fluids containing not more than 50 to 75 mEq of sodium per liter should be given in sufficient volume to match the desired urine flow (100 mL/hr) until fluids can be taken orally.

Treatment of Oliguria: The usual dose for treatment of oliguria is 50 to 100 g as a 15 to 25 percent solution.

Reduction of intracranial pressure, cerebral edema or intraocular pressure: A 25 percent solution of mannitol is recommended since its effectiveness depends on establishing intravascular hyperosmolarity. When used before or after surgery, a total dose of 1.5 to 2 g/kg can be given over a period of 30 to 60 minutes. Careful evaluation must be made of the circulatory and renal reserve prior to and during use of mannitol at this relatively high dose and rapid infusion rate. Careful attention must be paid to fluid and electrolyte balance, body weight, and total input and output before and after infusion of mannitol. Evidence of reduced cerebral spinal fluid pressure may be observed within 15 minutes after starting infusion.

Maximal reduction of intraocular pressure occurs 30 to 60 minutes after injection.

Urinary excretion of toxic substances: Mannitol in 5 to 25 percent solutions is used as an infusion as long as indicated if the level of urinary output remains high. The concentration will depend upon the fluid requirement and urinary output. Intravenous water and electrolytes must be given to replace the loss of these substances in the urine, sweat and expired air. If benefits are not observed after 200 g of mannitol are given discontinue it.

PREPARATION OF SOLUTION for intravenous injection:

Test dose – As supplied (25%)

     5% = 50 mL of mannitol plus 200 mL of Dextrose 5% Injectionor appropriate electrolytevehicle    10% = 50 mL of mannitol plus 75 mL    15% = 50 mL of mannitol plus 33.3 mL    20% = 50 mL of mannitol plus 12.5 mL    25% = – As supplied –

For Urological Irrigation: As 2.5 percent solution is used. The use of 2.5 percent mannitol solution minimizes the hemolytic effect of water alone, the entrance of hemolyzed blood into the circulation, and the resulting hemoglobinemia which is considered a major factor in producing serious renal complications.

Preparations of Dilutions For: Urologic Irrigation

Concentration          How Prepared 2.5% Add contents of two 50 mL vials (25 percent mannitol) to 900 mL Sterile Water for Injection

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For intravenous infusion: 4 grams in 250 mL of 5% Dextrose Injection, at a rate not exceeding 3 mL per minute. Serum magnesium levels should serve as a guide to continued dosage.

USUAL DOSAGE RANGE: 1 to 40 grams daily.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit.

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Cupric Sulfate Injection, USP provides 0.4 mg copper/mL. For the metabolically stable adult receiving TPN, the suggested additive dosage level is 0.5 to 1.5 mg copper/day. For pediatric patients, the suggested additive dosage level is 20 mcg copper/kg/day.

Aseptic addition of Cupric Sulfate Injection, USP to the TPN solution under a laminar flow hood is recommended. Copper is physically compatible with the electrolytes and vitamins usually present in the amino acid/dextrose solution used for TPN. Weekly monitoring of copper plasma levels is suggested as a guideline for subsequent administration. The normal plasma range for copper is approximately 80 to 160 mcg/100 mL.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

Use in Pregnancy

Safety for use in pregnancy has not been established. Use of copper in women of childbearing potential requires that anticipated benefits be weighed against possible hazards.

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L-Cysteine Hydrochloride Injection, USP is intended for use only after dilution in Crystalline Amino Acid Injection. Each 0.5 gram of L-Cysteine Hydrochloride Monohydrate should be combined aseptically with 12.5 grams of Crystalline Amino Acid Injection, such as that present in 250 mL of 5% Crystalline Amino Acid Injection. The admixture is then diluted with 250 mL of dextrose 50% or such lesser volume as indicated. Equal volumes of 5% Crystalline Amino Acid Injection and dextrose 50% produce a final solution which contains Crystalline Amino Acid Injection 2.5% in dextrose 25%, which is suitable for administration by central venous infusion. Administration of the final admixture should begin within one hour of mixing. Otherwise, the admixture should be refrigerated immediately and used within 24 hours of the time of mixing. For the recommended rate of administration, see the Crystalline Amino Acid Injection package insert.

When using dispensing vials use aseptic technique. Dispense entire contents in aliquots under a laminar flow hood within 4 hours after entry or discard remaining contents after first withdrawal. Prepare stoppers with a suitable antiseptic solution.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Calcium Gluconate should be administered intravenously either directly or by infusion. The dose is dependent upon the individual requirements of the patient. Calcium Gluconate may also be administered by intermittent infusion at a rate not exceeding 200 mg/min, or by continuous infusion.

DIRECTIONS FOR DISPENSING FROM 100 mL PHARMACY BULK PACKAGE - NOT FOR DIRECT INFUSION.

The 100 mL Pharmacy Bulk Package is for use in a Pharmacy Admixture Service only. The 100 mL Pharmacy Bulk Package should be suspended (inverted) by its IV hang label in a laminar flow hood or biological safety cabinet. Prior to entering a Pharmacy Bulk Package remove the flip-off seal and cleanse the rubber closure with a suitable antiseptic agent. Entry into the Pharmacy Bulk Package must be made with a sterile transfer set or other sterile dispensing device and the contents dispensed in aliquots using aseptic technique. Use of a syringe needle is not recommended as it may cause leakage. ANY UNUSED PORTION MUST BE DISCARDED

WITHIN 4 HOURS AFTER INITIAL ENTRY. The date and the time initially opened should be recorded in the space provided on the Pharmacy Bulk Package label.

USUAL DOSAGE:

Adults: 500 mg - 2 grams (5-20 mL)

Children: 200-500 mg (2-5 mL)

Infants: not more than 200 mg (not more than 2 mL)

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The dosage of Dehydrated Alcohol Injection for therapeutic nerve or ganglion block varies from as little as 0.05 to 0.5 mL in trigeminal neuralgia to 0.5 to 1.0 mL per interspace for subarachnoid injections. Doses larger than 1.5 mL are seldom required. All injections should be made slowly and only after all steps have been taken to insure precise placement of the alcohol. A 1.0 mL tuberculin syringe is desirable to facilitate accurate measurement of the dose. Separate needles should be used for injection of successive interspaces or other sites.  Since Dehydrated Alcohol Injection is hypobaric as compared to spinal fluid, proper positioning of the patient is essential to control localization of injections into the subarachnoid space.

When lesser concentrations of alcohol are used, larger volumes are usually injected. A dose of 2 mL of 45% alcohol has been used for injecting individual motor nerves, or from 1.5 to 4.0 mL for epidural injection in children with spastic cerebral palsy; 50 mL of 50% alcohol has been used for celiac plexus blockade.

The LD50 oral dose in rats is 13.7 g/kg.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. See PRECAUTIONS.

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Ammonium Molybdate Injection, USP provides 25 mcg molybdenum/mL. For metabolically stable adults receiving TPN, the suggested additive dosage level is 20 to 120 mcg molybdenum/day. For pediatric patients, the additive dosage level should be calculated by extrapolation.

In an adult, molybdenum deficiency state resulting from prolonged TPN support, intravenous administration of molybdenum as ammonium molybdate at 163 mcg/day for 21 days has been reported to reverse deficiency symptoms without toxicity.

Aseptic addition of Ammonium Molybdate Injection, USP to TPN solutions under a laminar flow hood is recommended. Molybdenum is physically compatible with the electrolytes and other trace elements usually present in amino acid/dextrose solutions used for TPN. Monitoring of sulfur and purine metabolism is suggested as a guideline. Since copper and molybdenum are antagonistic to each other, frequent monitoring of blood copper levels should be carried out during molybdenum TPN supplementation.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit.

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Prior to initiation of caffeine citrate, baseline serum levels of caffeine should be measured in infants previously treated with theophylline, since preterm infants metabolize theophylline to caffeine. Likewise, baseline serum levels of caffeine should be measured in infants born to mothers who consumed caffeine prior to delivery, since caffeine readily crosses the placenta.

The recommended loading dose and maintenance doses of caffeine citrate follow.

Dose ofCaffeine Citrate Dose ofCaffeine Citrate Volume mg/kg Route Frequency * using a syringe infusion pump ** beginning 24 hours after the loading dose Loading Dose 1 mL/kg 20 mg/kg Intravenous* One Time (over 30 minutes) Maintenance 0.25 mL/kg 5 mg/kg Intravenous* Every 24 Dose (over 10 hours** minutes)

NOTE THAT THE DOSE OF CAFFEINE BASE IS ONE-HALF THE DOSE WHEN EXPRESSED AS CAFFEINE CITRATE (e.g., 20 mg of caffeine citrate is equivalent to 10 mg of caffeine base).

Serum concentrations of caffeine may need to be monitored periodically throughout treatment to avoid toxicity. Serious toxicity has been associated with serum levels greater than 50 mg/L.

Caffeine citrate should be inspected visually for particulate matter and discoloration prior to administration. Vials containing discolored solution or visible particulate matter should be discarded.

Drug Compatibility

To test for drug compatibility with common intravenous solutions or medications, 20 mL of caffeine citrate injection were combined with 20 mL of a solution or medication, with the exception of an Intralipid® admixture, which was combined as 80 mL/80 mL. The physical appearance of the combined solutions was evaluated for precipitation. The admixtures were mixed for 10 minutes and then assayed for caffeine. The admixtures were then continually mixed for 24 hours, with further sampling for caffeine assays at 2, 4, 8, and 24 hours.

Based on this testing, caffeine citrate injection, USP 60 mg/3 mL is chemically stable for 24 hours at room temperature when combined with the following test products.

Dextrose Injection, USP 5% Dextrose Injection, USP 50% Intralipid® 20% IV Fat Emulsion Aminosyn® 8.5% Crystalline Amino Acid Solution Dopamine HCl Injection, USP 40 mg/mL diluted to 0.6 mg/mL with Dextrose Injection, USP 5% Calcium Gluconate Injection, USP 10% (0.465 mEq/Ca+2/mL) Heparin Sodium Injection, USP 1000 units/mL diluted to 1 unit/mL with Dextrose Injection, USP 5% Fentanyl Citrate Injection, USP 50 µg/mL diluted to 10 µg/mL with Dextrose Injection, USP 5%

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Prevention of post-operative adynamic ileus: 250 mg (1 mL) or 500 mg (2 mL) intramuscularly. Repeat in 2 hours and then every 6 hours until all danger of adynamic ileus has passed.

Treatment of adynamic ileus: 500 mg (2 mL) intramuscularly. Repeat in 2 hours and then every 6 hours as needed.

Intravenous administration: Dexpanthenol Injection 2 mL (500 mg) may be mixed with bulk I.V. solutions such as glucose or Lactated Ringer’s and slowly infused intravenously.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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0.1 to 0.2 mL per kg body weight (0.045 to 0.09 mL per pound body weight). Inject methylene blue intravenously very slowly over a period of several minutes.

Methylene blue must be injected intravenously very slowly over a period of several minutes to prevent local high concentration of the compound from producing additional methemoglobin.  Do not exceed recommended dosage.

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

Store at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F) (See USP Controlled Room Temperature).

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Indigo Carmine solution is injected either by the intravenous or intramuscular route, and its appearance at the ureteral orifices is watched with the cystoscope in place. The intravenous method is preferred because a 5 mL injection is sufficient. A lesser dosage in infants, children and underweight patients will prevent skin coloration.

Since precipitation of indigotindisulfonate sodium may occur, Indigo Carmine Solution must not be diluted prior to injection or injected with infusion assemblies which were used with other solutions.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

PROTECT FROM LIGHT. Indigo Carmine should be stored in the dark, away from direct light, preferably in the original package.

Store at 20 to 25 C (68 to 77 F); excursions permitted to 15 to 30 C (59 to 86 F) (See USP Controlled Room Temperature).

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Intramuscular: Adults and older children: For severe hypomagnesemia, 1 to 5 g (2 to 10 mL of 50% solution) daily in divided doses; administration is repeated daily until serum levels have returned to normal. If deficiency is not severe, 1 g (2 mL of 50% solution) can be given once or twice daily.Serum magnesium levels should serve as a guide to continued dosage.

Intravenous: 1 to 4 g Magnesium Sulfate may be given intravenously in 10% to 20% solution, but only with great caution; the rate should not exceed 1.5 mL of 10% solution or equivalent per minute until relaxation is obtained.

Intravenous Infusion: 4 g in 250 mL of 5% Dextrose Injection at a rate not exceeding 3 mL per minute.

Usual Dose Range: 1 to 40 g daily.

Electrolyte Replenisher: Intramuscular 1 to 2 g in 50% solution four times a day until serum magnesium is within normal limits.

Usual Pediatric Dose: Intramuscular 20 to 40 mg per kg of body weight in a 20% solution repeated as necessary.

For Eclampsia: Initially 1 to 2 g in 25% or 50% solution is given intramuscularly. Subsequently, 1 g is given every 30 minutes until relief is obtained. The blood pressure should be monitored after each injection.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Hypercalcemia of Malignancy

Consideration should be given to the severity of as well as the symptoms of hypercalcemia.  Vigorous saline hydration alone may be sufficient for treating mild, asymptomatic hypercalcemia.  Overhydration should be avoided in patients who have potential for cardiac failure.  In hypercalcemia associated with hematologic malignancies, the use of glucocorticoid therapy may be helpful.

Moderate Hypercalcemia

The recommended dose of pamidronate disodium in moderate hypercalcemia (corrected serum calcium* of approximately 12 to 13.5 mg/dL) is 60 to 90 mg given as a SINGLE-DOSE, intravenous infusion over 2 to 24 hours.  Longer infusions (i.e., > 2 hours) may reduce the risk for renal toxicity, particularly in patients with preexisting renal insufficiency.

Severe Hypercalcemia

The recommended dose of pamidronate disodium in severe hypercalcemia (corrected serum calcium* > 13.5 mg/dL) is 90 mg given as a SINGLE-DOSE, intravenous infusion over 2 to 24 hours.  Longer infusions (i.e., > 2 hours) may reduce the risk for renal toxicity, particularly in patients with preexisting renal insufficiency. 

*Albumin-corrected serum calcium (CCa, mg/dL) = serum calcium, mg/dL + 0.8 (4.0-serum albumin, g/dL).

Retreatment

A limited number of patients have received more than one treatment with pamidronate disodium for hypercalcemia.  Retreatment with pamidronate disodium, in patients who show complete or partial response initially, may be carried out if serum calcium does not return to normal or remain normal after initial treatment.  It is recommended that a minimum of 7 days elapse before retreatment, to allow for full response to the initial dose.  The dose and manner of retreatment is identical to that of the initial therapy.

Paget’s Disease

The recommended dose of pamidronate disodium in patients with moderate to severe Paget’s disease of bone is 30 mg daily, administered as a 4-hour infusion on 3 consecutive days for a total dose of 90 mg.

Retreatment

A limited number of patients with Paget’s disease have received more than one treatment of pamidronate disodium in clinical trials.  When clinically indicated, patients should be retreated at the dose of initial therapy.

Osteolytic Bone Lesions of Multiple Myeloma

The recommended dose of pamidronate disodium in patients with osteolytic bone lesions of multiple myeloma is 90 mg administered as a 4-hour infusion given on a monthly basis.

Patients with marked Bence-Jones proteinuria and dehydration should receive adequate hydration prior to pamidronate disodium infusion.

Limited information is available on the use of pamidronate disodium in multiple myeloma patients with a serum creatinine ≥ 3.0 mg/dL.

Patients who receive pamidronate disodium should have serum creatinine assessed prior to each treatment.  Treatment should be withheld for renal deterioration.  In a clinical study, renal deterioration was defined as follows:

For patients with normal baseline creatinine, increase of 0.5 mg/dL. For patients with abnormal baseline creatinine, increase of 1.0 mg/dL.

In this clinical study, pamidronate disodium treatment was resumed only when the creatinine returned to within 10% of the baseline value.

The optimal duration of therapy is not yet known, however, in a study of patients with myeloma, final analysis after 21 months demonstrated overall benefits (see Clinical Trials section).

Osteolytic Bone Metastases of Breast Cancer

The recommended dose of pamidronate disodium in patients with osteolytic bone metastases is 90 mg administered over a 2-hour infusion given every 3 to 4 weeks.

Pamidronate disodium has been frequently used with doxorubicin, fluorouracil, cyclophosphamide, methotrexate, mitoxantrone, vinblastine, dexamethasone, prednisone, melphalan, vincristine, megesterol, and tamoxifen.  It has been given less frequently with etoposide, cisplatin, cytarabine, paclitaxel, and aminoglutethimide.

Patients who receive pamidronate disodium should have serum creatinine assessed prior to each treatment.  Treatment should be withheld for renal deterioration.  In a clinical study, renal deterioration was defined as follows:

For patients with normal baseline creatinine, increase of 0.5 mg/dL. For patients with abnormal baseline creatinine, increase of 1.0 mg/dL.

In this clinical study, pamidronate disodium treatment was resumed only when the creatinine returned to within 10% of the baseline value.

The optimal duration of therapy is not known, however, in two breast cancer studies, final analyses performed after 24 months of therapy demonstrated overall benefits (see Clinical Trials section).

Calcium and Vitamin D Supplementation

In the absence of hypercalcemia, patients with predominantly lytic bone metastases or multiple myeloma, who are at risk of calcium or vitamin D deficiency, and patients with Paget’s disease of the bone, should be given oral calcium and vitamin D supplementation in order to minimize the risk of hypocalcemia.

Method of Administration

DUE TO THE RISK OF CLINICALLY SIGNIFICANT DETERIORATION IN RENAL FUNCTION, WHICH MAY PROGRESS TO RENAL FAILURE, SINGLE DOSES OF PAMIDRONATE DISODIUM SHOULD NOT EXCEED 90 MG.  (SEE WARNINGS.)

There must be strict adherence to the intravenous administration recommendations for pamidronate disodium in order to decrease the risk of deterioration in renal function.

Hypercalcemia of Malignancy

The daily dose must be administered as an intravenous infusion over at least 2 to 24 hours for the 60 mg and 90 mg doses.  The recommended dose should be diluted in 1000 mL of sterile 0.45% or 0.9% Sodium Chloride, USP, or 5% Dextrose Injection, USP.  This infusion solution is stable for up to 24 hours at room temperature.

Paget’s Disease

The recommended daily dose of 30 mg should be diluted in 500 mL of sterile 0.45% or 0.9% Sodium Chloride, USP, or 5% Dextrose Injection, USP, and administered over a 4-hour period for 3 consecutive days.

Osteolytic Bone Metastases of Breast Cancer

The recommended dose of 90 mg should be diluted in 250 mL of sterile 0.45% or 0.9% Sodium Chloride, USP, or 5% Dextrose Injection, USP, and administered over a 2-hour period every 3 to 4 weeks.

Osteolytic Bone Lesions of Multiple Myeloma

The recommended dose of 90 mg should be diluted in 500 mL of sterile 0.45% or 0.9% Sodium Chloride, USP, or 5% Dextrose Injection, USP, and administered over a 4-hour period on a monthly basis.

Pamidronate disodium must not be mixed with calcium-containing infusion solutions, such as Ringer’s solution, and should be given in a single intravenous solution and line separate from all other drugs.

Note:  Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Sodium Phosphates Injection, USP is administered intravenously only after dilution in a larger volume of fluid. The dose and rate of administration are dependent upon the individual needs of the patient. Serum sodium, inorganic phosphorus and calcium levels should be monitored as a guide to dosage.

Withdraw the calculated volume aseptically and transfer to appropriate intravenous fluid to provide the desired number of millimoles (mM) of phosphorus and milliequivalents (mEq) of sodium.

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2.4    Agitation Associated with Schizophrenia and Bipolar I Mania

Dose Selection for Agitated Adult Patients with Schizophrenia and Bipolar I Mania — The efficacy of intramuscular olanzapine for injection in controlling agitation in these disorders was demonstrated in a dose range of 2.5 mg to 10 mg. The recommended dose in these patients is 10 mg. A lower dose of 5 or 7.5 mg may be considered when clinical factors warrant [see Clinical Studies (14.3)]. If agitation warranting additional intramuscular doses persists following the initial dose, subsequent doses up to 10 mg may be given. However, the efficacy of repeated doses of intramuscular olanzapine for injection in agitated patients has not been systematically evaluated in controlled clinical trials. Also, the safety of total daily doses greater than 30 mg, or 10 mg injections given more frequently than 2 hours after the initial dose, and 4 hours after the second dose have not been evaluated in clinical trials. Maximal dosing of intramuscular olanzapine (e.g., 3 doses of 10 mg administered 2 to 4 hours apart) may be associated with a substantial occurrence of significant orthostatic hypotension [see Warnings and Precautions (5.8)]. Thus, it is recommended that patients requiring subsequent intramuscular injections be assessed for orthostatic hypotension prior to the administration of any subsequent doses of intramuscular olanzapine for injection. The administration of an additional dose to a patient with a clinically significant postural change in systolic blood pressure is not recommended.

If ongoing olanzapine therapy is clinically indicated, oral olanzapine may be initiated in a range of 5 to 20 mg/day as soon as clinically appropriate.

Intramuscular Dosing in Special Populations — A dose of 5 mg/injection should be considered for geriatric patients or when other clinical factors warrant. A lower dose of 2.5 mg/injection should be considered for patients who otherwise might be debilitated, be predisposed to hypotensive reactions, or be more pharmacodynamically sensitive to olanzapine [see Warnings and Precautions (5.14), DRUG INTERACTIONS (7), and Clinical Pharmacology (12.3)].

Administration of Olanzapine for Injection — Olanzapine for injection is intended for intramuscular use only. Do not administer intravenously or subcutaneously. Inject slowly, deep into the muscle mass.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

Directions for Preparation of Olanzapine for Injection with Sterile Water for Injection — Dissolve the contents of the vial using 2.1 mL of Sterile Water for Injection to provide a solution containing approximately 5 mg/mL of olanzapine. The resulting solution should appear clear and yellow. Olanzapine for injection reconstituted with Sterile Water for Injection should be used immediately (within 1 hour) after reconstitution. Discard any unused portion.

The following table provides injection volumes for delivering various doses of intramuscular olanzapine for injection reconstituted with Sterile Water for Injection.

Dose, mg Olanzapine Volume of Injection, mL 10 Withdraw total contents of vial 7.5 1.5 5 1 2.5 0.5

Physical Incompatibility Information — Olanzapine for injection should be reconstituted only with Sterile Water for Injection. Olanzapine for injection should not be combined in a syringe with diazepam injection because precipitation occurs when these products are mixed. Lorazepam injection should not be used to reconstitute olanzapine for injection as this combination results in a delayed reconstitution time. Olanzapine for injection should not be combined in a syringe with haloperidol injection because the resulting low pH has been shown to degrade olanzapine over time.

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Potassium Acetate for Injection, USPCONCENTRATE(4 mEq/mL), must be diluted before administration. The dose and rate of injection are dependent upon the individual condition of each patient. ECG and serum potassium should be monitored as a guide to dosage. Withdraw the calculated volume aseptically and transfer to appropriate intravenous fluids to provide the desired number of milliequivalents of potassium (K+) with an equal number of milliequivalents of acetate (CH3COO-).

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.

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Potassium Acetate Injection, USP (2 mEq/mL) must be diluted before administration.

The dose and rate of administration are dependent upon the individual condition of each patient. ECG and serum potassium should be monitored as a guide to dosage. Withdraw the calculated volume aseptically and transfer to appropriate intravenous fluids to provide the desired number of milliequivalents of potassium (K+) with an equal number of milliequivalents of acetate (CH3COO−).

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit. Discard vial within 4 hours of initial entry.

DIRECTIONS FOR DISPENSING FROM 100 mL PHARMACY BULK PACKAGE - NOT FOR DIRECT INFUSION

The 100 mL Pharmacy Bulk Package is for use in a Pharmacy Admixture Service only. The 100 mL Pharmacy Bulk Package should be suspended (inverted) by its IV hang label in a laminar flow hood or biological safety cabinet. Prior to entering a Pharmacy Bulk Package remove the flip-off seal and cleanse the rubber closure with a suitable antiseptic agent. Entry into the Pharmacy Bulk Package must be made with a sterile transfer set or other sterile dispensing device and the contents dispensed in aliquots using aseptic technique. Use of a syringe needle is not recommended as it may cause leakage. ANY UNUSED PORTION MUST BE DISCARDED WITHIN 4 HOURS AFTER INITIAL ENTRY. The date and the time the Pharmacy Bulk Package was initially opened should be recorded in the space provided on the Pharmacy Bulk Package label.

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Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration.

Intramuscularly

1 mL, 0.2 mg, after delivery of the anterior shoulder, after delivery of the placenta, or during the puerperium. May be repeated as required, at intervals of 2 to 4 hours.

Intravenously

1 mL, 0.2 mg, administered slowly over a period of no less than 60 seconds (SeeWARNINGS.)

Orally

One tablet, 0.2 mg, 3 or 4 times daily in the puerperium for a maximum of 1 week.

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Myocardial Infarction

Early Treatment: During the early phase of definite or suspected acute myocardial infarction, treatment with metoprolol tartrate can be initiated as soon as possible after the patient's arrival in the hospital. Such treatment should be initiated in a coronary care or similar unit immediately after the patient's hemodynamic condition has stabilized.

Treatment in this early phase should begin with the intravenous administration of three bolus injections of 5 mg of metoprolol tartrate each; the injections should be given at approximately 2-minute intervals. During the intravenous administration of metoprolol tartrate, blood pressure, heart rate, and electrocardiogram should be carefully monitored.

In patients who tolerate the full intravenous dose (15 mg), metoprolol tartrate tablets, 50 mg every 6 hours, should be initiated 15 minutes after the last intravenous dose and continued for 48 hours. Thereafter, patients should receive a maintenance dosage of 100 mg twice daily (see Late Treatment below).

Patients who appear not to tolerate the full intravenous dose should be started on metoprolol tartrate tablets either 25 mg or 50 mg every 6 hours (depending on the degree of intolerance) 15 minutes after the last intravenous dose or as soon as their clinical condition allows. In patients with severe intolerance, treatment with metoprolol tartrate should be discontinued (see WARNINGS).

Late Treatment: Patients with contraindications to treatment during the early phase of suspected or definite myocardial infarction, patients who appear not to tolerate the full early treatment, and patients in whom the physician wishes to delay therapy for any other reason should be started on metoprolol tartrate tablets, 100 mg twice daily, as soon as their clinical condition allows. Therapy should be continued for at least 3 months. Although the efficacy of metoprolol tartrate beyond 3 months has not been conclusively established, data from studies with other beta-blockers suggest that treatment should be continued for 1 to 3 years.

Note: Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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For patients weighing 50 kg (110 lb) or more:  Give Injectafer in two doses separated by at least 7 days.  Give each dose as 750 mg for a total cumulative dose not to exceed 1500 mg of iron per course.

For patients weighing less than 50 kg (110 lb):  Give Injectafer in two doses separated by at least 7 days. Give each dose as 15 mg/kg body weight for a total cumulative dose not to exceed 1500 mg of iron per course. 

The dosage of Injectafer is expressed in mg of elemental iron. Each mL of Injectafer contains 50 mg of elemental iron.  Injectafer treatment may be repeated if iron deficiency anemia reoccurs.  

Administer Injectafer intravenously, either as an undiluted slow intravenous push or by infusion.  When administering as a slow intravenous push, give at the rate of approximately 100 mg (2 mL) per minute.  When administered via infusion, dilute up to 750 mg of iron in no more than 250 mL of sterile 0.9% sodium chloride injection, USP, such that the concentration of the infusion is not less than 2 mg of iron per mL and administer over at least 15 minutes.

When added to an infusion bag containing 0.9% sodium chloride injection, USP, at concentrations ranging from 2 mg to 4 mg of iron per mL, Injectafer solution is physically and chemically stable for 72 hours when stored at room temperature.  To maintain stability, do not dilute to concentrations less than 2 mg iron/mL.

Inspect parenteral drug products visually for the absence of particulate matter and discoloration prior to administration.  The product contains no preservatives. Each vial of Injectafer is intended for single-use only. Any unused drug remaining after injection must be discarded.

Avoid extravasation of Injectafer since brown discoloration of the extravasation site may be long lasting.  Monitor for extravasation.  If extravasation occurs, discontinue the Injectafer administration at that site.

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When there is urgent need, therapy in the hospitalized patient may be initiated intramuscularly or as a rapid intravenous bolus injection directly into the vein. Hydralazine hydrochloride injection should be used only when the drug cannot be given orally. The usual dose is 20-40 mg, repeated as necessary.

Certain patients (especially those with marked renal damage) may require a lower dose. Blood pressure should be checked frequently. It may begin to fall within a few minutes after injection, with the average maximal decrease occurring in 10-80 minutes. In cases where there has been increased intracranial pressure, lowering the blood pressure may increase cerebral ischemia. Most patients can be transferred to oral hydralazine hydrochloride within 24-48 hours.

The product should be used immediately after the vial is opened. It should not be added to infusion solutions. Hydralazine hydrochloride injection may discolor upon contact with metal; discolored solutions should be discarded.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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The recommended dosage is one drop (1.5 mcg) in the affected eye(s) once daily in the evening.

If one dose is missed, treatment should continue with the next dose as normal.

The dosage of Latanoprost Ophthalmic Solution should not exceed once daily; the combined use of two or more prostaglandins, or prostaglandin analogs including Latanoprost Ophthalmic Solution is not recommended. It has been shown that administration of these prostaglandin drug products more than once daily may decrease the intraocular pressure lowering effect or cause paradoxical elevations in IOP.

Reduction of the intraocular pressure starts approximately 3 to 4 hours after administration and the maximum effect is reached after 8 to 12 hours.

Latanoprost Ophthalmic Solution may be used concomitantly with other topical ophthalmic drug products to lower intraocular pressure. If more than one topical ophthalmic drug is being used, the drugs should be administered at least five (5) minutes apart.

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WARNING: This is a potent drug: It must be diluted before administration to the patient.Dopamine Hydrochloride Injection, USP is administered (only after dilution) by intravenous infusion.

Suggested Dilution: Transfer contents of one or more ampuls or vials by aseptic technique to either 250 mL or 500 mL of one of the following sterile intravenous solutions:

Sodium Chloride Injection, USP Dextrose (5%) Injection, USP Dextrose (5%) and Sodium Chloride (0.9%) Injection, USP 5% Dextrose in 0.45% Sodium Chloride Solution Injection, USP Dextrose (5%) and Lactated Ringer’s Solution Injection Sodium Lactate Injection, USP (1/6 Molar) Lactated Ringer’s Injection, USP

Dopamine Hydrochloride Injection, USP has been found to be stable for a minimum of 24 hours after dilution in the sterile intravenous solutions listed above. However, as with all intravenous admixtures, dilution should be made just prior to administration.

Do NOT add Dopamine Hydrochloride to Sodium Bicarbonate Injection, USP or other alkaline intravenous solutions, since the drug is inactivated in alkaline solution.

Rate of Administration: Dopamine Hydrochloride Injection, USP, after dilution, is administered intravenously by infusion through a suitable intravenous catheter or needle. When administering Dopamine Hydrochloride (or any potent medication) by continuous intravenous infusion, it is advisable to use a precision volume control intravenous set.  Each patient must be individually titrated to the desired hemodynamic or renal response to dopamine.

Administration rates greater than 50 mcg/kg/minute have safely been used in advanced circulatory decompensation states. If unnecessary fluid expansion is of concern, adjustment of drug concentration may be preferred over increasing the flow rate of a less concentrated dilution.

Suggested Regimen:

1. When appropriate, increase blood volume with whole blood or plasma until central venous pressure is 10 to 15 cm H2O or pulmonary wedge pressure is 14 to 18 mm Hg.

2. Begin infusion of diluted solution at doses of 2 to 5 mcg/kg/minute of Dopamine Hydrochloride in patients who are likely to respond to modest increments of heart force and renal perfusion.

In more seriously ill patients, begin infusion of diluted solution at doses of 5 mcg/kg/minute of Dopamine Hydrochloride and increase gradually using 5 to 10 mcg/kg/minute increments up to 20 to 50 mcg/kg/minute as needed. If doses in excess of 50 mcg/kg/minute are required, it is advisable to check urine output frequently. Should urinary flow begin to decrease in the absence of hypotension, reduction of dopamine dosage should be considered. Multiclinic trials have shown that more than 50% of the patients have been satisfactorily maintained on doses of dopamine less than 20 mcg/kg/minute. In patients who do not respond to these doses with adequate arterial pressures or urine flow, additional increments of dopamine may be given in an effort to produce an appropriate arterial pressure and central perfusion.

3. Treatment of all patients requires constant evaluation of therapy in terms of the blood volume, augmentation of cardiac contractility, and distribution of peripheral perfusion. Dosage of dopamine should be adjusted according to the patient’s response, with particular attention to diminution of established urine flow rate, increasing tachycardia or development of new dysrhythmias as indices for decreasing or temporarily suspending the dosage.

4. As with all potent intravenously administered drugs, care should be taken to control the rate of administration to avoid inadvertent administration of a bolus of drug.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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The optimal dose calcitriol injection must be carefully determined for each patient.

The effectiveness of calcitriol injection therapy is predicated on the assumption that each patient is receiving an adequate and appropriate daily intake of calcium. The RDA for calcium in adults is 800 mg. To ensure that each patient receives an adequate daily intake of calcium, the physician should either prescribe a calcium supplement or instruct the patient in proper dietary measures.

The recommended initial dose of calcitriol injection, depending on the severity of the hypocalcemia and/or secondary hyperparathyroidism, is 1 mcg (0.02 mcg/kg) to 2 mcg administered three times weekly, approximately every other day. Doses as small as 0.5 mcg and as large as 4 mcg three times weekly have been used as an initial dose. If a satisfactory response is not observed, the dose may be increased by 0.5 to 1 mcg at two to four week intervals. During this titration period, serum calcium and phosphorus levels should be obtained at least twice weekly. If hypercalcemia or a serum calcium times phosphate product greater than 70 is noted, the drug should be immediately discontinued until these parameters are appropriate. Then, the calcitriol injection dose should be reinitiated at a lower dose. Doses may need to be reduced as the PTH levels decrease in response to the therapy. Thus, incremental dosing must be individualized and commensurate with PTH, serum calcium and phosphorus levels.

The following is a suggested approach in dose titration:

 PTH Levels  Calcitriol Dose  the same or increasing  increase  decreasing by <30%  increase  decreasing by >30%, <60%  maintain  decreasing by >60%  decrease  one and one-half to three times the upper limit of normal  maintain

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

Discard unused portion

WARNING: PROTECT FROM LIGHT. RETAIN IN CARTON UNTIL TIME OF USE.

Store at 20°-25°C (68°-77°F); excursions permitted to 15°-30°C (59°-86°F) (See USP Controlled Room Temperature).

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The recommended starting dose of clonidine hydrochloride for continuous epidural infusion is 30 mcg/hr. Although dosage may be titrated up or down depending on pain relief and occurrence of adverse events, experience with dosage rates above 40 mcg/hr is limited.

Familiarization with the continuous epidural infusion device is essential. Patients receiving epidural clonidine from a continuous infusion device should be closely monitored for the first few days to assess their response.

The 500 mcg/mL (0.5 mg/mL) strength product must be diluted prior to use in 0.9% Sodium Chloride for Injection, U.S.P., to a final concentration of 100 mcg/mL:

 Volume of Clonidine Hydrochloride 500 mcg/mL  Volume of 0.9% Sodium Chloride for Injection, U.S.P.  Resulting Final Clonidine Hydrochloride Concentration (100 mcg/mL)  1 mL  4 mL  500 mcg/5 mL  2 mL  8 mL  1000 mcg/10 mL  3 mL  12 mL  1500 mcg/15 mL  4 mL  16 mL  2000 mcg/20 mL  5 mL  20 mL  2500 mcg/25 mL  6 mL  24 mL  3000 mcg/30 mL  7 mL  28 mL  3500 mcg/35 mL  8 mL  32 mL  4000 mcg/40 mL  9 mL  36 mL  4500 mcg/45 mL  10 mL  40 mL  5000 mcg/50 mL

Renal Impairment:Dosage should be adjusted according to the degree of renal impairment, and patients should be carefully monitored. Since only a minimal amount of clonidine is removed during routine hemodialysis, there is no need to give supplemental clonidine following dialysis.

Clonidine hydrochloride mustnotbe used with a preservative.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Methyldopate HCl Injection when given intravenously in effective doses, causes a decline in blood pressure that may begin in four to six hours and last 10 to 16 hours after injection.

Add the desired dose of Methyldopate HCl Injection to 100 mL of Dextrose Injection 5%, USP. Alternatively the desired dose may be given in 5% dextrose in water in a concentration of 100 mg/10 mL. Give this intravenous infusion slowly over a period of 30 to 60 minutes.

Adults: The usual adult dosage intravenously is 250 mg to 500 mg at six hour intervals as required. The maximum recommended intravenous dose is 1 gram every six hours.

When control has been obtained, oral therapy with tablets may be substituted for intravenous therapy, starting with the same dosage schedule used for the parenteral route. The effectiveness and anticipated responses are described in the circular for tablets.

Since methyldopate has a relatively short duration of action, withdrawal is followed by return of hypertension usually within 48 hours. This is not complicated by an overshoot of blood pressure.

Occasionally tolerance may occur, usually between the second and third month of therapy. Adding a diuretic or increasing the dosage of methyldopa frequently will restore effective control of blood pressure. A thiazide may be added at any time during methyldopa therapy and is recommended if therapy has not been started with a thiazide or if effective control of blood pressure cannot be maintained on 2 grams of methyldopa daily.

Methyldopa is largely excreted by the kidney and patients with impaired renal function may respond to smaller doses. Syncope in older patients may be related to an increased sensitivity and advanced arteriosclerotic vascular disease. This may be avoided by lower doses.

Pediatric Patients: The recommended daily dosage is 20 to 40 mg/kg of body weight in divided doses every six hours. The maximum dosage is 65 mg/kg or 3 grams daily, whichever is less. When the blood pressure is under control, continue with oral therapy using tablets in the same dosage as for the parenteral route. (see PRECAUTIONS, Pediatric Use.)

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

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Dosage should be individualized.  Some of the factors to be considered in determining the dose are age, body weight, physical status, underlying pathological condition, use of other drugs, type of anesthesia to be used, and the surgical procedure involved.

Vital signs and ECG should be monitored routinely.

Adult Dosage: The maximum recommended initial dose of droperidol is 2.5 mg IM  or slow IV. Additional 1.25 mg doses of droperidol may be administered to achieve the desired effect. However, additional doses should be administered with caution, and only if the potential benefit outweighs the potential risk.

Children’s Dosage: For children two to 12 years of age, the maximum recommended initial dose is 0.1 mg/kg, taking into account the patient's age and other clinical factors. However, additional doses should be administered with caution, and only if the potential benefit outweighs the potential risk.

See WARNINGS and PRECAUTIONS for use of droperidol with other CNS depressants, and in patients with altered response.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.  If such abnormalities are observed, the drug should not be administered.

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The dose is dependent upon the age, weight and clinical condition of the patient.

Parenteral drug products should be inspected visually for particulate matter prior to administration whenever solution and container permit.

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Sodium Acetate Injection, USP (2 mEq/mL), is administered intravenously only after dilution.

The dose and rate of administration are dependent upon the individual needs of the patient. Serum sodium should be monitored as a guide to dosage. Withdraw the calculated volume aseptically and transfer to appropriate intravenous fluids to provide the desired number of milliequivalents (mEq) of sodium (Na+) with an equal number of milliequivalents of acetate(CH3COO¯).

Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit. Discard vial within 4 hours of initial entry.

DIRECTIONS FOR DISPENSING FROM 100 mL PHARMACY BULK PACKAGE - NOT FOR DIRECT INFUSION

The 100 mL Pharmacy Bulk Package is for use in a Pharmacy Admixture Service only. The 100 mL Pharmacy Bulk Package should be suspended (inverted) by its IV hang label in a laminar flow hood or biological safety cabinet. Prior to entering a Pharmacy Bulk Package remove the flip-off seal and cleanse the rubber closure with a suitable antiseptic agent. Entry into the Pharmacy Bulk Package must be made with a sterile transfer set or other sterile dispensing device and the contents dispensed in aliquots using aseptic technique. Use of a syringe needle is not recommended as it may cause leakage. ANY UNUSED PORTION MUST BE DISCARDED WITHIN 4 HOURS AFTER INITIAL ENTRY. The date and the time initially opened should be recorded in the space provided on the Pharmacy Bulk Package label.