Gentamicin Inj

  • Bacterial infections

Gentamicin Inj Generic Name & Formulations

General Description

Gentamicin sulfate 40mg/mL; IM, or IV inj after dilution; contains sulfites.

Pharmacological Class


How Supplied

Contact supplier.

Gentamicin Inj Indications


Serious susceptible infections.

Gentamicin Inj Dosage and Administration


Obesity: Base dose on lean body mass. Usual duration 7–10 days. 1mg/kg IM or IV every 8 hours; max 5mg/kg/day. For alternative dosing regimens (eg, extended intervals) see literature.


Premature and infants <1 week: 2.5mg/kg every 12 hours. Neonates: 2.5mg/kg every 8 hours. Others: 2–2.5mg/kg every 8 hours.

Gentamicin Inj Contraindications

Not Applicable

Gentamicin Inj Boxed Warnings

Not Applicable

Gentamicin Inj Warnings/Precautions


Monitor for nephro- and neurotoxicity; avoid peak serum levels >12micrograms/mL (when dosed at conventional intervals) and trough levels >2micrograms/mL. Renal impairment: reduce dose, see literature; maintain adequate hydration. Prolonged use or excessive doses. Asthma. Neuromuscular disorders. Elderly. Pregnancy (Cat.D): not recommended.

Gentamicin Inj Pharmacokinetics

See Literature

Gentamicin Inj Interactions


Avoid concomitant furosemide, ethacrynic acid, other nephro/neurotoxic drugs including cephalosporins. May potentiate neuromuscular blockade.

Gentamicin Inj Adverse Reactions

Adverse Reactions

Nephro- or neurotoxicity, respiratory depression, lethargy, confusion, depression, visual disturbances, elevated liver enzymes, blood dyscrasias.

Gentamicin Inj Clinical Trials

See Literature

Gentamicin Inj Note


Formerly known under the brand names Garamycin, Gentafair.

Gentamicin Inj Patient Counseling

See Literature