Gentamicin Sulfate Dosage Calculator

Gentamicin Sulfate Dosage for Dogs, Cats, Horses, Cattle, Pigs, Calves By Weight
Trade Names: Gentocin, Garasol, Garacin, and generic
Functional classification: Antibacterial

Gentamicin Sulfate Dosing for Dogs, Cats, Horses, Cattle, Pigs, Calves By Weight

Important Safety Information

Once-daily administration is usually the preferred interval for most species.

Use with caution in animals with renal impairment. Monitor renal function during treatment.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 380-382

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs SQ, IM, IV 2-4 mg/kg q8h
Once Daily 9-14 mg/kg q24h (preferred)
Cats SQ, IM, IV 5-8 mg/kg q24h (preferred)

Large Animal Dosage

Species Route Dosage Frequency
Horses (Adult) IM, IV 4-6.6 mg/kg q24h
Horses (Foals <2 weeks) IM, IV 12-14 mg/kg q24h
Cattle (Adult) IM, IV 5-6 mg/kg q24h
Calves (<2 weeks) IV, IM 12-15 mg/kg q24h
Pigs SQ, IM 10-15 mg/kg Once daily

Additional Information

Pigs: 15 mg/kg for young pigs and 10 mg/kg for older pigs, once daily, SQ or IM.

Colibacillosis, swine dysentery: 1.1-2.2 mg/kg for 3 days in drinking water.