Rhodes Pharmaceuticals L.p.
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Rhodes Pharmaceuticals L.p. Drugs
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Theophylline Anhydrous
Theophylline (Anhydrous) Extended-Release Tablets 400 or 600 mg can be taken once a day in the morning or evening. It is recommended that Theophylline (Anhydrous) Extended-Release Tablets be taken with meals. Patients should be advised that if they choose to take Theophylline (Anhydrous) Extended-Release Tablets with food it should be taken consistently with food and if they take it in a fasted condition it should routinely be taken fasted. It is important that the product whenever dosed be dosed consistently with or without food.
Theophylline (Anhydrous) Extended-Release Tablets are not to be chewed or crushed because it may lead to a rapid release of theophylline with the potential for toxicity. The scored tablet may be split. Infrequently, patients receiving Theophylline (Anhydrous) Extended-Release Tablets 400 or 600 mg may pass an intact matrix tablet in the stool or via colostomy. These matrix tablets usually contain little or no residual theophylline.
Stabilized patients, 12 years of age or older, who are taking an immediate-release or controlled-release theophylline product may be transferred to once-daily administration of 400 or 600 mg Theophylline (Anhydrous) Extended-Release Tablets on a mg-for-mg basis.
It must be recognized that the peak and trough serum theophylline levels produced by the once-daily dosing may vary from those produced by the previous product and/or regimen.
General Considerations: The steady-state peak serum theophylline concentration is a function of the dose, the dosing interval, and the rate of theophylline absorption and clearance in the individual patient. Because of marked individual differences in the rate of theophylline clearance, the dose required to achieve a peak serum theophylline concentration in the 10 to 20 mcg/mL range varies fourfold among otherwise similar patients in the absence of factors known to alter theophylline clearance (e.g., 400 to 1600 mg/day in adults <60 years old and 10 to 36 mg/kg/day in children 1 to 9 years old). For a given population there is no single theophylline dose that will provide both safe and effective serum concentrations for all patients. Administration of the median theophylline dose required to achieve a therapeutic serum theophylline concentration in a given population may result in either sub-therapeutic or potentially toxic serum theophylline concentrations in individual patients. For example, at a dose of 900 mg/d in adults <60 years or 22 mg/kg/d in children 1 to 9 years, the steady-state peak serum theophylline concentration will be <10 mcg/mL in about 30% of patients, 10 to 20 mcg/mL in about 50% and 20 to 30 mcg/mL in about 20% of patients. The dose of theophylline must be individualized on the basis of peak serum theophylline concentration measurements in order to achieve a dose that will provide maximum potential benefit with minimal risk of adverse effects.
Transient caffeine-like adverse effects and excessive serum concentrations in slow metabolizers can be avoided in most patients by starting with a sufficiently low dose and slowly increasing the dose, if judged to be clinically indicated, in small increments (see Table V). Dose increases should only be made if the previous dosage is well tolerated and at intervals of no less than 3 days to allow serum theophylline concentrations to reach the new steady-state. Dosage adjustment should be guided by serum theophylline concentration measurement (see PRECAUTIONS, Laboratory Tests and DOSAGE AND ADMINISTRATION, Table VI). Healthcare providers should instruct patients and caregivers to discontinue any dosage that causes adverse effects, to withhold the medication until these symptoms are gone and to then resume therapy at a lower, previously tolerated dosage (see WARNINGS).
If the patient’s symptoms are well controlled, there are no apparent adverse effects, and no intervening factors that might alter dosage requirements (see WARNINGS and PRECAUTIONS), serum theophylline concentrations should be monitored at 6 month intervals for rapidly growing children and at yearly intervals for all others. In acutely ill patients, serum theophylline concentrations should be monitored at frequent intervals, e.g., every 24 hours.
Theophylline distributes poorly into body fat, therefore, mg/kg dose should be calculated on the basis of ideal body weight.
Table V contains theophylline dosing titration schema recommended for patients in various age groups and clinical circumstances. Table VI contains recommendations for theophylline dosage adjustment based upon serum theophylline concentrations. Application of these general dosing recommendations to individual patients must take into account the unique clinical characteristics of each patient. In general, these recommendations should serve as the upper limit for dosage adjustments in order to decrease the risk of potentially serious adverse events associated with unexpected large increases in serum theophylline concentration.
1 If caffeine-like adverse effects occur, then consideration should be given to a lower dose and titrating the dose more slowly (see ADVERSE REACTIONS). Table V. Dosing initiation and titration (as anhydrous theophylline).* Children (12 to 15 years) and adults (16 to 60 years) without risk factors for impaired clearance Titration Step Children <45 kg Children >45 kg and adults 1. Starting Dosage 12 to 14 mg/kg/day up to a maximum of 300 mg/day admin. QD* 300 to 400 mg/day1 admin. QD* 2. After 3 days, if tolerated, increase dose to: 16 mg/kg/day up to a maximum of 400 mg/day admin. QD* 400 to 600 mg/day1 admin. QD* 3. After 3 more days, if tolerated, and if needed increase dose to: 20 mg/kg/day up to a maximum of 600 mg/day admin. QD* As with all theophylline products, doses greater than 600 mg should be titrated according to blood level (see Table VI).B. Patients with Risk Factors For Impaired Clearance, The Elderly (>60 Years), And those In Whom It Is Not Feasible To Monitor Serum Theophylline Concentrations: In children 12 to 15 years of age, the theophylline dose should not exceed 16 mg/kg/day up to a maximum of 400 mg/day in the presence of risk factors for reduced theophylline clearance (see WARNINGS) or if it is not feasible to monitor serum theophylline concentrations.
In adolescents ≥16 years and adults, including the elderly, the theophylline dose should not exceed 400 mg/day in the presence of risk factors for reduced theophylline clearance (see WARNINGS) or if it is not feasible to monitor serum theophylline concentrations.
*Patients with more rapid metabolism clinically identified by higher than average dose requirements, should receive a smaller dose more frequently (every 12 hours) to prevent breakthrough symptoms resulting from low trough concentrations before the next dose.
Table VI. Dosage adjustment guided by serum theophylline concentration. ¶Dose reduction and/or serum theophylline concentration measurement is indicated whenever adverse effects are present physiologic abnormalities that can reduce theophylline clearance occur (e.g. sustained fever), or a drug that interacts with theophylline is added or discontinued (see WARNINGS). Peak Serum Concentration Dosage Adjustment <9.9 mcg/mL If symptoms are not controlled and current dosage is tolerated, increase dose about 25%. Recheck serum concentration after three days for further dosage adjustment. 10 to 14.9 mcg/mL If symptoms are controlled and current dosage is tolerated, maintain dose and recheck serum concentration at 6 to12 month intervals.¶ If symptoms are not controlled and current dosage is tolerated consider adding additional medication(s) to treatment regimen. 15 to 19.9 mcg/mL Consider 10% decrease in dose to provide greater margin of safety even if current dosage is tolerated. ¶ 20 to 24.9 mcg/mL Decrease dose by 25% even if no adverse effects are present. Recheck serum concentration after 3 days to guide further dosage adjustment. 25 to 30 mcg/mL Skip next dose and decrease subsequent doses at least 25% even if no adverse effects are present. Recheck serum concentration after 3 days to guide further dosage adjustment. If symptomatic, consider whether overdose treatment is indicated (see recommendations for chronic overdosage). >30 mcg/mL Treat overdose as indicated (see recommendations for chronic overdosage). If theophylline is subsequently resumed, decrease dose by at least 50% and recheck serum concentration after 3 days to guide further dosage adjustment. -
Gelato Apf
2.1 General Dosing Information
The recommended starting dose of APTENSIO XR for patients 6 years and above is 10 mg once daily in the morning with or without food. Advise patients to establish a routine pattern with regard to meals. The dose should be individualized according to the needs and response of the patient.
The dose may be titrated weekly in increments of 10 mg. Daily doses above 60 mg have not been studied and are not recommended.
APTENSIO XR may be taken whole or the capsule may be opened and the entire contents sprinkled onto applesauce. If the patient is using the sprinkled administration method, the sprinkled applesauce should be consumed immediately; it should not be stored. Patients should take the applesauce with sprinkled beads in its entirety without chewing. The dose of a single capsule should not be divided. The contents of the entire capsule should be taken, and patients should not take anything less than one capsule per day.
Pharmacological treatment of ADHD may be needed for extended periods. Healthcare providers should periodically re-evaluate the long-term use of APTENSIO XR, and adjust dosage as needed.
2.2 Dose Reduction and Discontinuation
If paradoxical aggravation of symptoms or other adverse reactions occur; the dosage should be reduced, or, if necessary, the drug should be discontinued.
If improvement is not observed after appropriate dosage adjustment over a one-month period, the drug should be discontinued.
2.3 Important Information Prior to Initiating Treatment
Prior to treating pediatric patients and adults with CNS stimulants including APTENSIO XR, assess for the presence of cardiac disease (i.e., perform a careful history, family history of sudden death or ventricular arrhythmia, and physical exam) [see Warnings and Precautions 5.2].
Assess the risk of abuse prior to prescribing, and monitor for signs of abuse and dependence while on therapy. Maintain careful prescription records, educate patients about abuse, monitor for signs of abuse and overdose, and periodically re-evaluate the need for APTENSIO XR use [see Boxed Warning, Warnings and Precautions (5.1), and Drug Abuse and Dependence (9)].
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Hydromorphone Hydrochloride
Hydromorphone Hydrochloride Oral Solution, USP
The usual adult oral dosage for Hydromorphone Hydrochloride Oral Solution is one-half (2.5 mL) to two teaspoonfuls (10 mL) (2.5 mg to 10 mg) every 3 to 6 hours as directed by the clinical situation. Oral dosages higher than the usual dosages may be required in some patients.
Hydromorphone Hydrochloride Tablets
The usual starting dose for Hydromorphone Hydrochloride Tablets is 2 mg to 4 mg, orally, every 4 to 6 hours. Appropriate use of Hydromorphone Hydrochloride Tablets must be decided by careful evaluation of each clinical situation.
A gradual increase in dose may be required if analgesia is inadequate, as tolerance develops, or if pain severity increases. The first sign of tolerance is usually a reduced duration of effect.
Patients with hepatic and renal impairment should be started on a lower starting dose (see CLINICAL PHARMACOLOGY - Pharmacokinetics and Metabolism).
INDIVIDUALIZATION OF DOSAGE
The dosage of opioid analgesics like hydromorphone hydrochloride should be individualized for any given patient, since adverse events can occur at doses that may not provide complete freedom from pain.
Safe and effective administration of opioid analgesics to patients with acute or chronic pain depends upon a comprehensive assessment of the patient. The nature of the pain (severity, frequency, etiology, and pathophysiology) as well as the concurrent medical status of the patient will affect selection of the starting dosage.
In non-opioid-tolerant patients, therapy with hydromorphone is typically initiated at an oral dose of 2 to 4 mg every four hours, but elderly patients may require lower doses (see PRECAUTIONS - Geriatric Use).
In patients receiving opioids, both the dose and duration of analgesia will vary substantially depending on the patient's opioid tolerance. The dose should be selected and adjusted so that at least 3 to 4 hours of pain relief may be achieved. In patients taking opioid analgesics, the starting dose of Hydromorphone Hydrochloride Oral Solution or Hydromorphone Hydrochloride Tablets should be based on prior opioid usage. This should be done by converting the total daily usage of the previous opioid to an equivalent total daily dosage of oral Hydromorphone Hydrochloride Oral Solution or Hydromorphone Hydrochloride Tablets using an equianalgesic table (see below). For opioids not in the table, first estimate the equivalent total daily usage of oral morphine, then use the table to find the equivalent total daily dosage of Hydromorphone Hydrochloride Oral Solution or Hydromorphone Hydrochloride Tablets.
Once the total daily dosage of Hydromorphone Hydrochloride Oral Solution or Hydromorphone Hydrochloride Tablets has been estimated, it should be divided into the desired number of doses. Since there is individual variation in response to different opioid drugs, only 1/2 to 2/3 of the estimated dose of Hydromorphone Hydrochloride Oral Solution or Hydromorphone Hydrochloride Tablets calculated from equivalence tables should be given for the first few doses, and then increased as needed according to the patient's response.
Since the pharmacokinetics of hydromorphone are affected in hepatic and renal impairment with a consequent increase in exposure, patients with hepatic and renal impairment should be started on a lower starting dose (see CLINICAL PHARMACOLOGY - Pharmacokinetics and Metabolism).
In chronic pain, doses should be administered around-the-clock. A supplemental dose of 5 to 15% of the total daily usage may be administered every two hours on an "as-needed" basis.
Periodic reassessment after the initial dosing is always required. If pain management is not satisfactory and in the absence of significant opioid-induced adverse events, the hydromorphone dose may be increased gradually. If excessive opioid side effects are observed early in the dosing interval, the hydromorphone dose should be reduced. If this results in breakthrough pain at the end of the dosing interval, the dosing interval may need to be shortened. Dose titration should be guided more by the need for analgesia than the absolute dose of opioid employed.
OPIOID ANALGESIC EQUIVALENTS WITH APPROXIMATELY EQUIANALGESIC POTENCY* Nonproprietary(Trade) Name IM or SCDose ORALDose * Dosages, and ranges of dosages represented, are a compilation of estimated equipotent dosages from published references comparing opioid analgesics in cancer and severe pain. Morphine sulfate 10 mg 40 to 60 mg Hydromorphone HCl(DILAUDID) 1.3 to 2 mg 6.5 to 7.5 mg Oxymorphone HCl(Numorphan) 1 to 1.1 mg 6.6 mg Levorphanol tartrate(Levo-Dromoran) 2 to 2.3 mg 4 mg Meperidine, pethidine HCl(Demerol) 75 to 100 mg 300 to 400 mg Methadone HCl(Dolophine) 10 mg 10 to 20 mg -
Morphine Sulfate Extended Release
2.1 Initial Dosing
Morphine sulfate extended-release tablets should be prescribed only by healthcare professionals who are knowledgeable in the use of potent opioids for the management of chronic pain.
Initiate the dosing regimen for each patient individually, taking into account the patient's prior analgesic treatment experience and risk factors for addiction, abuse, and misuse [see Warnings and Precautions (5.1)]. Monitor patients closely for respiratory depression, especially within the first 24 to 72 hours of initiating therapy with morphine sulfate extended-release tablets [see Warnings and Precautions (5.2)].
Morphine sulfate extended-release tablets must be taken whole. Crushing, chewing, or dissolving morphine sulfate extended-release tablets will result in uncontrolled delivery of morphine and can lead to overdose or death [see Warnings and Precautions (5.1)].
Use of Morphine Sulfate Extended-Release Tablets as the First Opioid Analgesic
Initiate treatment with morphine sulfate extended-release tablets with 15 mg tablets orally every 8 or 12 hours.
Use of Morphine Sulfate Extended-Release Tablets in Patients who are not Opioid Tolerant
The starting dose for patients, who are not opioid-tolerant, is morphine sulfate extended-release tablets 15 mg orally every 12 hours. Patients who are opioid-tolerant are those receiving, for one week or longer, at least 60 mg oral morphine per day, 25 mcg transdermal fentanyl per hour, 30 mg oral oxycodone per day, 8 mg oral hydromorphone per day, 25 mg oral oxymorphone per day, or an equianalgesic dose of another opioid.
Use of higher starting doses in patients who are not opioid tolerant may cause fatal respiratory depression.
Conversion from Other Oral Morphine to Morphine Sulfate Extended-Release Tablets
Patients receiving other oral morphine formulations may be converted to morphine sulfate extended-release tablets by administering one-half of the patient's 24-hour requirement as morphine sulfate extended-release tablets on an every-12-hour schedule or by administering one-third of the patient's daily requirement as morphine sulfate extended-release tablets on an every-8-hour schedule.
Conversion from Other Opioids to Morphine Sulfate Extended-Release Tablets
There are no established conversion ratios for conversion from other opioids to morphine sulfate extended-release tablets defined by clinical trials. Discontinue all other around-the-clock opioid drugs when morphine sulfate extended-release tablets therapy is initiated and initiate dosing using morphine sulfate extended-release tablets 15 mg orally every 8 to 12 hours.
It is safer to underestimate a patient’s 24-hour oral morphine requirements and provide rescue medication (e.g., immediate-release morphine) than to overestimate the 24-hour oral morphine requirements and manage an adverse reaction. While useful tables of opioid equivalents are readily available, there is substantial inter-patient variability in the relative potency of different opioid drugs and products.
Conversion from Parenteral Morphine or Other Opioids (Parenteral or Oral) to Morphine Sulfate Extended-Release Tablets
When converting from parenteral morphine or other non-morphine opioids (parenteral or oral) to morphine sulfate extended-release tablets, consider the following general points:
Parenteral to oral morphine ratio: Between 2 to 6 mg of oral morphine may be required to provide analgesia equivalent to 1 mg of parenteral morphine. Typically, a dose of morphine that is approximately three times the previous daily parenteral morphine requirement is sufficient. Other parenteral or oral non-morphine opioids to oral morphine sulfate: Specific recommendations are not available because of a lack of systematic evidence for these types of analgesic substitutions. Published relative potency data are available, but such ratios are approximations. In general, begin with half of the estimated daily morphine requirement as the initial dose, managing inadequate analgesia by supplementation with immediate-release morphine.Conversion from Methadone to Morphine Sulfate Extended-Release Tablets
Close monitoring is of particular importance when converting methadone to other opioid agonists. The ratio between methadone and other opioid agonists may vary widely as a function of previous dose exposure. Methadone has a long half-life and can accumulate in the plasma.
2.2 Titration and Maintenance of Therapy
Individually titrate morphine sulfate extended-release tablets to a dose that provides adequate analgesia and minimizes adverse reactions. Continually reevaluate patients receiving morphine sulfate extended-release tablets to assess the maintenance of pain control and the relative incidence of adverse reactions, as well as monitoring for the development of addiction, abuse, or misuse. Frequent communication is important among the prescriber, other members of the healthcare team, the patient, and the caregiver/family during periods of changing analgesic requirements, including initial titration. During chronic therapy periodically reassess the continued need for the use of opioid analgesics.
Patients who experience breakthrough pain may require a dose increase of morphine sulfate extended-release tablets, or may need rescue medication with an appropriate dose of an immediate-release analgesic. If the level of pain increases after dose stabilization, attempt to identify the source of increased pain before increasing the morphine sulfate extended-release tablets dose. Because steady-state plasma concentrations are approximated in 1 day, morphine sulfate extended-release tablets dosage adjustments may be done every 1 to 2 days.
If unacceptable opioid-related adverse reactions are observed, the subsequent doses may be reduced. Adjust the dose to obtain an appropriate balance between management of pain and opioid-related adverse reactions.
2.3 Discontinuation of Morphine Sulfate Extended-Release Tablets
When the patient no longer requires therapy with morphine sulfate extended-release tablets, use a gradual downward titration of the dose to prevent signs and symptoms of withdrawal in the physically-dependent patient. Do not abruptly discontinue morphine sulfate extended-release tablets.
2.4 Administration of Morphine Sulfate Extended-Release Tablets
Morphine sulfate extended-release tablets must be taken whole. Crushing, chewing, or dissolving morphine sulfate extended-release tablets will result in uncontrolled delivery of morphine and can lead to overdose or death [see Warnings and Precautions (5.1)].
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Oxycodone Hydrochloride
Oxycodone hydrochloride tablets are intended for the management of moderate to severe pain in patients who require treatment with an oral opioid analgesic. The dose should be individually adjusted according to severity of pain, patient response and patient size. If the pain increases in severity, if analgesia is not adequate, or if tolerance occurs, a gradual increase in dosage may be required.
Patients who have not been receiving opioid analgesics should be started on oxycodone hydrochloride tablets in a dosing range of 5 to 15 mg every 4 to 6 hours as needed for pain. The dose should be titrated based upon the individual patient's response to their initial dose of oxycodone hydrochloride tablets. Patients with chronic pain should have their dosage given on an around-the-clock basis to prevent the reoccurrence of pain rather than treating the pain after it has occurred. This dose can then be adjusted to an acceptable level of analgesia taking into account side effects experienced by the patient.
For control of severe chronic pain, oxycodone hydrochloride tablets should be administered on a regularly scheduled basis, every 4-6 hours, at the lowest dosage level that will achieve adequate analgesia.
As with any potent opioid, it is critical to adjust the dosing regimen for each patient individually, taking into account the patient's prior analgesic treatment experience. Although it is not possible to list every condition that is important to the selection of the initial dose of oxycodone hydrochloride tablets, attention should be given to: 1) the daily dose, potency, and characteristics of a pure agonist or mixed agonist/antagonist the patient has been taking previously, 2) the reliability of the relative potency estimate to calculate the dose of oxycodone needed, 3) the degree of opioid tolerance, 4) the general condition and medical status of the patient, and 5) the balance between pain control and adverse experiences.
Conversion From Fixed-Ratio Opioid/Acetaminophen, Opioid/Aspirin, or Opioid/Nonsteroidal Combination Drugs:
When converting patients from fixed ratio opioid/non-opioid drug regimens a decision should be made whether or not to continue the non-opioid analgesic. If a decision is made to discontinue the use of non-opioid analgesic, it may be necessary to titrate the dose of oxycodone hydrochloride tablets in response to the level of analgesia and adverse effects afforded by the dosing regimen. If the non-opioid regimen is continued as a separate single entity agent, the starting dose of oxycodone hydrochloride tablets should be based upon the most recent dose of opioid as a baseline for further titration of oxycodone. Incremental increases should be gauged according to side effects to an acceptable level of analgesia.
Patients Currently on Opioid Therapy:
If a patient has been receiving opioid-containing medications prior to taking oxycodone hydrochloride tablets, the potency of the prior opioid relative to oxycodone should be factored into the selection of the total daily dose (TDD) of oxycodone.
In converting patients from other opioids to oxycodone hydrochloride tablets close observation and adjustment of dosage based upon the patient's response to oxycodone hydrochloride tablets is imperative. Administration of supplemental analgesia for breakthrough or incident pain and titration of the total daily dose of oxycodone hydrochloride tablets may be necessary, especially in patients who have disease states that are changing rapidly.
Maintenance of Therapy:
Continual reevaluation of the patient receiving oxycodone hydrochloride tablets is important, with special attention to the maintenance of pain control and the relative incidence of side effects associated with therapy. If the level of pain increases, effort should be made to identify the source of increased pain, while adjusting the dose as described above to decrease the level of pain.
During chronic therapy, especially for non-cancer-related pain (or pain associated with other terminal illnesses), the continued need for the use of opioid analgesics should be reassessed as appropriate.
Cessation of Therapy:
When a patient no longer requires therapy with oxycodone hydrochloride tablets or other opioid analgesics for the treatment of their pain, it is important that therapy be gradually discontinued over time to prevent the development of an opioid abstinence syndrome (narcotic withdrawal). In general, therapy can be decreased by 25% to 50% per day with careful monitoring for signs and symptoms of withdrawal (see Drug Abuse and Dependence section for description of the signs and symptoms of withdrawal). If the patient develops these signs or symptoms, the dose should be raised to the previous level and titrated down more slowly, either by increasing the interval between decreases, decreasing the amount of change in dose, or both. It is not known at what dose of oxycodone hydrochloride tablets that treatment may be discontinued without risk of the opioid abstinence syndrome.
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Oxycodone And Acetaminophen
Dosage should be adjusted according to the severity of the pain and the response of the patient. It may occasionally be necessary to exceed the usual dosage recommended below in cases of more severe pain or in those patients who have become tolerant to the analgesic effect of opioids. If pain is constant, the opioid analgesic should be given at regular intervals on an around-the-clock schedule. Oxycodone and acetaminophen tablets are given orally.
Oxycodone and Acetaminophen Tablets, USP, 5 mg/325 mg The usual adult dosage is one tablet every 6 hours as needed for pain. The total daily dose of acetaminophen should not exceed 4 grams.
Oxycodone and Acetaminophen Tablets, USP, 7.5 mg/325 mg; 10 mg/325 mg The usual adult dosage is one tablet every 6 hours as needed for pain. The total daily dose of acetaminophen should not exceed 4 grams.
Strength Maximal Daily Dose Oxycodone and Acetaminophen Tablets5 mg/325 mg 12 Tablets Oxycodone and Acetaminophen Tablets7.5 mg/325 mg 8 Tablets Oxycodone and Acetaminophen Tablets10 mg/325 mg 6 TabletsCessation of Therapy
In patients treated with oxycodone and acetaminophen tablets for more than a few weeks who no longer require therapy, doses should be tapered gradually to prevent signs and symptoms of withdrawal in the physically dependent patient.
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