Amikacin Sulfate
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Questions & Answers
Side Effects & Adverse Reactions
See WARNINGS box above.
Aminoglycosides can cause fetal harm when administered to a pregnant woman. Aminoglycosides cross the placenta and there have been several reports of total irreversible, bilateral congenital deafness in children whose mothers received streptomycin during pregnancy. Although serious side effects to the fetus or newborns have not been reported in the treatment of pregnant women with other aminoglycosides, the potential for harm exists. Reproduction studies of amikacin have been performed in rats and mice and revealed no evidence of impaired fertility or harm to the fetus due to amikacin. There are no well-controlled studies in pregnant women, but investigational experience does not include any positive evidence of adverse effects to the fetus. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to the fetus.
Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than non-asthmatic people.
Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including amikacin, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon leading to overgrowth of C. difficile.
C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin-producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibacterial use. Careful medical history is necessary since CDAD has been reported to occur over 2 months after the administration of antibacterial agents.
If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Amikacin sulfate injection USP is indicated in the short-term treatment of serious infections due to susceptible strains of Gram-negative bacteria, including Pseudomonas species, Escherichia coli, species of indole-positive and indole-negative Proteus, Providencia species, Klebsiella-Enterobacter-Serratia species and Acinetobacter (Mima-Herellea) species.
Clinical studies have shown amikacin sulfate injection USP to be effective in bacterial septicemia (including neonatal sepsis); in serious infections of the respiratory tract, bones and joints, central nervous system (including meningitis) and skin and soft tissue; intra-abdominal infections (including peritonitis); and in burns and postoperative infections (including post-vascular surgery). Clinical studies have shown amikacin also to be effective in serious complicated and recurrent urinary tract infections due to these organisms. Aminoglycosides, including amikacin sulfate injection USP, are not indicated in uncomplicated initial episodes of urinary tract infections unless the causative organisms are not susceptible to antibiotics having less potential toxicity.
Bacteriologic studies should be performed to identify causative organisms and their susceptibilities to amikacin. Amikacin may be considered as initial therapy in suspected gram-negative infections, and therapy may be instituted before obtaining the results of susceptibility testing. Clinical trials demonstrated that amikacin was effective in infections caused by gentamicin- and/or tobramycin-resistant strains of gram-negative organisms, particularly Proteus rettgeri, Providencia stuartii, Serratia marcescens and Pseudomonas aeruginosa. The decision to continue therapy with the drug should be based on results of the susceptibility tests, the severity of the infection, the response of the patient and the important additional considerations contained in the WARNINGS box above.
Amikacin has also been shown to be effective in staphylococcal infections and may be considered as initial therapy under certain conditions in the treatment of known or suspected staphylococcal disease such as, severe infections where the causative organism may be either a gram-negative bacterium or a staphylococcus, infections due to susceptible strains of staphylococci in patients allergic to other antibiotics, and in mixed staphylococcal/gram-negative infections.
In certain severe infections such as neonatal sepsis, concomitant therapy with a penicillin-type drug may be indicated because of the possibility of infections due to gram-positive organisms such as streptococci or pneumococci.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of amikacin sulfate injection USP and other antibacterial drugs, amikacin sulfate injection USP should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
History
There is currently no drug history available for this drug.
Other Information
Amikacin Sulfate Injection USP is a semi-synthetic aminoglycoside antibiotic derived from kanamycin. D-Streptamine,O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→6)-O-[6-amino-6-deoxy-α-D-glucopyranosyl-(1→4)]-N1-(4-amino-2-hydroxy-1-oxobutyl)-2-deoxy-, (S)-, sulfate (1:2) (salt).
C22H43N5O13 • 2H2SO4 M.W. 781.75
The dosage form is supplied as a sterile, colorless to light straw-colored solution for intramuscular or intravenous use. The 500 mg per 2 mL vial and the 1 gram per 4 mL vial each contain, per mL, 250 mg amikacin USP (as the sulfate), 2.5% sodium citrate dihydrate, 0.66% sodium metabisulfite, and water for injection, q.s. pH is adjusted with sulfuric acid and/or, if necessary, sodium hydroxide. The pH is 3.5 to 5.5.
Sources
Amikacin Sulfate Manufacturers
-
Teva Parenteral Medicines, Inc.
![Amikacin Sulfate Injection [Teva Parenteral Medicines, Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Amikacin Sulfate | Bausch & Lomb Incorporated
Instill one or two drops into the affected eye every 4 hours for 7 to 10 days. In severe infections, dosage may be increased to as much as two drops every hour.
DO NOT USE IF IMPRINTED "Protective Seal" WITH YELLOW IS NOT INTACT.
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American Pharmaceutical Ingredients Llc
Amikacin Sulfate | American Pharmaceutical Ingredients Llc
There is currently no dosage information available for this product. We apologize for any inconvenience.
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Heritage Pharmaceuticals Inc.
Amikacin Sulfate | Heritage Pharmaceuticals Inc.
The patient's pretreatment body weight should be obtained for calculation of correct dosage. Amikacin Sulfate Injection USP may be given intramuscularly or intravenously.
The status of renal function should be estimated by measurement of the serum creatinine concentration or calculation of the endogenous creatinine clearance rate.
The blood urea nitrogen (BUN) is much less reliable for this purpose. Reassessment of renal function should be made periodically during therapy.
Whenever possible, amikacin concentrations in serum should be measured to assure adequate but not excessive levels. It is desirable to measure both peak and trough serum concentrations intermittently during therapy. Peak concentrations (30 to 90 minutes after injection) above 35 micrograms per mL and trough concentrations (just prior to the next dose) above 10 micrograms per mL should be avoided. Dosage should be adjusted as indicated.
Intramuscular Administration for Patients with Normal Renal Function
The recommended dosage for adults, children and older infants (see WARNINGS box) with normal renal function is 15 mg/kg/day divided into 2 or 3 equal doses administered at equally-divided intervals, i.e., 7.5 mg/kg q12h or 5 mg/kg q8h. Treatment of patients in the heavier weight classes should not exceed 1.5 gram/day.
When amikacin is indicated in newborns (see WARNINGS box), it is recommended that a loading dose of 10 mg/kg be administered initially to be followed with 7.5 mg/kg every 12 hours.
The useful duration of treatment is 7 to 10 days. It is desirable to limit the duration of treatment to short term whenever feasible.The total daily dose by all routes of administration should not exceed 15 mg/kg/day. In difficult and complicated infections where treatment beyond 10 days is considered, the use of amikacin should be reevaluated. If continued, amikacin serum levels, and renal, auditory, and vestibular functions should be monitored. At the recommended dosage level, uncomplicated infections due to amikacin-sensitive organisms should respond in 24 to 48 hours. If definite clinical response does not occur within 3 to 5 days, therapy should be stopped and the antibiotic susceptibility pattern of the invading organism should be rechecked. Failure of the infection to respond may be due to resistance of the organism or to the presence of septic foci requiring surgical drainage.When amikacin is indicated in uncomplicated urinary tract infections, a dose of 250 mg twice daily may be used.
DOSAGE GUIDELINES
ADULTS AND CHILDREN WITH NORMAL RENAL FUNCTION
Patient Weight
Dosage
lbs
kg
7.5 mg/kg
5 mg/kg
q12h
OR
q8h
99
45
337.5 mg
225 mg
110
50
375 mg
250 mg
121
55
412.5 mg
275 mg
132
60
450 mg
300 mg
143
65
487.5 mg
325 mg
154
70
525 mg
350 mg
165
75
562.5 mg
375 mg
176
80
600 mg
400 mg
187
85
637.5 mg
425 mg
198
90
675 mg
450 mg
209
95
712.5 mg
475 mg
220
100
750 mg
500 mg
Intramuscular Administration for Patients with Impaired Renal Function
Whenever possible, serum amikacin concentrations should be monitored by appropriate assay procedures. Doses may be adjusted in patients with impaired renal function either by administering normal doses at prolonged intervals or by administrating reduced doses at a fixed interval.Both methods are based on the patient's creatinine clearance or serum creatinine values since these have been found to correlate with aminoglycoside half-lives in patients with diminished renal function. These dosage schedules must be used in conjunction with careful clinical and laboratory observations of the patient and should be modified as necessary. Neither method should be used when dialysis is being performed.
Normal Dosage at Prolonged Intervals
If the creatinine clearance rate is not available and the patient's condition is stable, a dosage interval in hours for the normal dose can be calculated by multiplying the patient's serum creatinine by 9, e.g., if the serum creatinine concentration is 2 mg/100 mL, the recommended single dose (7.5 mg/kg) should be administered every 18 hours.
Reduced Dosage at Fixed Time Intervals
When renal function is impaired and it is desirable to administer amikacin at a fixed time interval, dosage must be reduced. In these patients, serum amikacin concentrations should be measured to assure accurate administration of amikacin and to avoid concentrations above 35 mcg/mL. If serum assay determinations are not available and the patient's condition is stable, serum creatinine and creatinine clearance values are the most readily available indicators of the degree of renal impairment to use as a guide for dosage.
First, initiate therapy by administering a normal dose, 7.5 mg/kg, as a loading dose. This loading dose is the same as the normally recommended dose which would be calculated for a patient with a normal renal function as described above.
To determine the size of maintenance doses administered every 12 hours, the loading dose should be reduced in proportion to the reduction in the patient's creatinine clearance rate:
observed CC in mL/min
Maintenance Dose Every 12 Hours = ---------------------------x calculate loading dose in mg
normal CC in mL/min
(CC-creatinine clearance rate)
An alternate rough guide for determining reduced dosage at 12-hour intervals (for patients whose steady state serum creatinine values are known) is to divide the normally recommended dose by the patient's serum creatinine.
The above dosage schedules are not intended to be rigid recommendations but are provided as guides to dosage when the measurement of amikacin serum levels is not feasible.
Intravenous Administration
The individual dose, the total daily dose, and the total cumulative dose of amikacin sulfate are identical to the dose recommended for intramuscular administration.
The solution for intravenous use is prepared by adding the contents of a 500 mg vial to 100 or 200 mL of sterile diluent such as 0.9% sodium chloride injection or 5% dextrose injection or any of the compatible solutions listed below.
The solution is administered to adults over a 30 to 60 minute period. The total daily dose should not exceed 15 mg/kg/day and may be divided into either 2 or 3 equally-divided doses at equally-divided intervals.
In pediatric patients the amount of fluid used will depend on the amount of amikacin ordered for the patient. It should be a sufficient amount to infuse the Amikacin Sulfate Injection USP over a 30 to 60 minute period. Infants should receive a 1 to 2 hour infusion.
Amikacin should not be physically premixed with other drugs but should be administered separately according to the recommended dose and route.
Stability in IV Fluids
Amikacin sulfate is stable for 24 hours at room temperature at concentrations of 0.25 and 5 mg/mL in the following solutions:
5% Dextrose Injection
5% Dextrose and 0.2% Sodium Chloride Injection
5% Dextrose and 0.45% Sodium Chloride Injection
0.9% Sodium Chloride Injection
Lactated Ringer's Injection
Normosol® M in 5% Dextrose Injection (or Plasma-Lyte 56 Injection in 5% Dextrose in Water)
Normosol® R in 5% Dextrose Injection (or Plasma-Lyte 148 Injection in 5% Dextrose in Water)
In the above solutions with Amikacin Sulfate Injection USP concentrations of 0.25 and 5 mg/mL, solutions aged for 60 days at 4°C and then stored at 25°C had utility times of 24 hours.
At the same concentrations, solutions frozen and aged for 30 days at - 15°C, thawed, and stored at 25°C had utility times of 24 hours.Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever the solution and container permit.
Aminoglycosides administered by any of the above routes should not be physically premixed with other drugs but should be administered separately.Because of the potential toxicity of aminoglycosides, "fixed dosage" recommendations which are not based upon body weight are not advised. Rather, it is essential to calculate the dosage to fit the needs of each patient.
-
Bedford Laboratories
Amikacin Sulfate | Bedford Laboratories
The patient’s pretreatment body weight should be obtained for calculation of correct dosage. Amikacin Sulfate Injection may be given intramuscularly or intravenously.
The status of renal function should be estimated by measurement of the serum creatinine concentration or calculation of the endogenous creatinine clearance rate. The blood urea nitrogen (BUN) is much less reliable for this purpose. Reassessment of renal function should be made periodically during therapy.
Whenever possible, amikacin concentrations in serum should be measured to assure adequate but not excessive levels. It is desirable to measure both peak and trough serum concentrations intermittently during therapy. Peak concentrations (30 to 90 minutes after injection) above 35 micrograms per mL and trough concentrations (just prior to the next dose) above 10 micrograms per mL should be avoided. Dosage should be adjusted as indicated.
Intramuscular Administration for Patients with Normal Renal FunctionThe recommended dosage for adults, children and older infants (see WARNINGS box) with normal renal function is 15 mg/kg/day divided into 2 or 3 equal doses administered at equally-divided intervals, i.e., 7.5 mg/kg q12h or 5 mg/kg q8h. Treatment of patients in the heavier weight classes should not exceed 1.5 gram/day.
When amikacin is indicated in newborns (see WARNINGS box), it is recommended that a loading dose of 10 mg/kg be administered initially to be followed with 7.5 mg/kg every 12 hours.
The usual duration of treatment is 7 to 10 days. It is desirable to limit the duration of treatment to short term whenever feasible. The total daily dose by all routes of administration should not exceed 15 mg/kg/day. In difficult and complicated infections where treatment beyond 10 days is considered, the use of amikacin should be reevaluated. If continued, amikacin serum levels, and renal, auditory, and vestibular functions should be monitored. At the recommended dosage level, uncomplicated infections due to amikacin-sensitive organisms should respond in 24 to 48 hours. If definite clinical response does not occur within 3 to 5 days, therapy should be stopped and the antibiotic susceptibility pattern of the invading organism should be rechecked. Failure of the infection to respond may be due to resistance of the organism or to the presence of septic foci requiring surgical drainage.
When amikacin is indicated in uncomplicated urinary tract infections, a dose of 250 mg twice daily may be used.
DOSAGE GUIDELINES
ADULTS AND CHILDREN WITH NORMAL RENAL FUNCTION
Patient Weight
Dosage
lbs
kg
7.5 mg/kg
5 mg/kg
q12h
OR
q8h
99
45
337.5 mg
225 mg
110
50
375 mg
250 mg
121
55
412.5 mg
275 mg
132
60
450 mg
300 mg
143
65
487.5 mg
325 mg
154
70
525 mg
350 mg
165
75
562.5 mg
375 mg
176
80
600 mg
400 mg
187
85
637.5 mg
425 mg
198
90
675 mg
450 mg
209
95
712.5 mg
475 mg
220
100
750 mg
500 mg
Intramuscular Administration for Patients with Impaired Renal FunctionWhenever possible, serum amikacin concentrations should be monitored by appropriate assay procedures. Doses may be adjusted in patients with impaired renal function either by administering normal doses at prolonged intervals or by administrating reduced doses at a fixed interval.
Both methods are based on the patient’s creatinine clearance or serum creatinine values since these have been found to correlate with aminoglycoside half-lives in patients with diminished renal function. These dosage schedules must be used in conjunction with careful clinical and laboratory observations of the patient and should be modified as necessary. Neither method should be used when dialysis is being performed.
Normal Dosage at Prolonged IntervalsIf the creatinine clearance rate is not available and the patient’s condition is stable, a dosage interval in hours for the normal dose can be calculated by multiplying the patient’s serum creatinine by 9, e.g., if the serum creatinine concentration is 2 mg/100 mL, the recommended single dose (7.5 mg/kg) should be administered every 18 hours.
Reduced Dosage at Fixed Time IntervalsWhen renal function is impaired and it is desirable to administer amikacin at a fixed time interval, dosage must be reduced. In these patients, serum amikacin concentrations should be measured to assure accurate administration of amikacin and to avoid concentrations above 35 mcg/mL. If serum assay determinations are not available and the patient’s condition is stable, serum creatinine and creatinine clearance values are the most readily available indicators of the degree of renal impairment to use as a guide for dosage.
First, initiate therapy by administering a normal dose, 7.5 mg/kg, as a loading dose. This loading dose is the same as the normally recommended dose which would be calculated for a patient with a normal renal function as described above.
To determine the size of maintenance doses administered every 12 hours, the loading dose should be reduced in proportion to the reduction in the patient’s creatinine clearance rate:
Maintenance Dose = observed CC in mL/min X Calculated loading dose
Every 12 Hours normal CC in mL/min in mg
(CC-creatinine clearance rate)An alternate rough guide for determining reduced dosage at 12-hour intervals (for patients whose steady state serum creatinine values are known) is to divide the normally recommended dose by the patient’s serum creatinine.
The above dosage schedules are not intended to be rigid recommendations but are provided as guides to dosage when the measurement of amikacin serum levels is not feasible.
Intravenous AdministrationThe individual dose, the total daily dose, and the total cumulative dose of amikacin sulfate are identical to the dose recommended for intramuscular administration. The solution for intravenous use is prepared by adding the contents of a 500 mg vial to 100 or 200 mL of sterile diluent such as 0.9% sodium chloride injection or 5% dextrose injection or any of the compatible solutions listed below.
The solution is administered to adults over a 30 to 60 minute period. The total daily dose should not exceed 15 mg/kg/day and may be divided into either 2 or 3 equally-divided doses at equally-divided intervals.
In pediatric patients the amount of fluid used will depend on the amount of amikacin ordered for the patient. It should be a sufficient amount to infuse the Amikacin Sulfate Injection over a 30 to 60 minute period. Infants should receive a 1 to 2 hour infusion.
Amikacin should not be physically premixed with other drugs but should be administered separately according to the recommended dose and route.
Stability in IV FluidsAmikacin sulfate is stable for 24 hours at room temperature at concentrations of 0.25 and 5.0 mg/mL in the following solutions:
5% Dextrose Injection
5% Dextrose and 0.2% Sodium Chloride Injection
5% Dextrose and 0.45% Sodium Chloride Injection
0.9% Sodium Chloride Injection
Lactated Ringer’s Injection
Normosol® M in 5% Dextrose Injection (or Plasma-Lyte 56 Injection in 5% Dextrose in Water)
Normosol® R in 5% Dextrose Injection (or Plasma-Lyte 148 Injection in 5% Dextrose in Water)
In the above solutions with Amikacin Sulfate Injection concentrations of 0.25 and 5 mg/mL, solutions aged for 60 days at 4°C and then stored at 25°C had utility times of 24 hours.
At the same concentrations, solutions frozen and aged for 30 days at - 15°C, thawed, and stored at 25°C had utility times of 24 hours.
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever the solution and container permit.
Aminoglycosides administered by any of the above routes should not be physically premixed with other drugs but should be administered separately.
Because of the potential toxicity of aminoglycosides, “fixed dosage” recommendations which are not based upon body weight are not advised. Rather, it is essential to calculate the dosage to fit the needs of each patient.
-
Teva Parenteral Medicines, Inc.
Amikacin Sulfate | Dza Brands Llc
• do not take more than directed (see overdose warning)adults and children 12 years and over
• take 2 caplets every 4-6 hours • swallow whole – do not crush, chew or dissolve • do not take more than 10 caplets in 24 hourschildren under 12 years
ask a doctor
![Amikacin Sulfate Powder [American Pharmaceutical Ingredients Llc]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=5efe8d50-3138-43b4-bdb0-2d8a66fcdc96&name=AmikacinSulfate.jpg)
![Amikacin Sulfate Injection, Solution [Heritage Pharmaceuticals Inc.]](https://www.recallguide.org/wp-content/themes/bootstrap/assets/img/drug-image-placeholder.jpg)
![Amikacin Sulfate Injection, Solution [Bedford Laboratories]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=cd73da50-99a2-4bb5-b444-bd9d727fec30&name=3e0aa931-8324-4e2e-be9d-597f99a83de9-02.jpg)
![Amikacin Sulfate Injection, Solution [Teva Parenteral Medicines, Inc.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=d86e3828-28e5-4cf1-af1d-e813fc2a069c&name=23913ffd-ef4d-46bf-b2b4-c0c012cb69c2-01.jpg)
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