Sulfamethazine Dosage Calculator

Sulfamethazine Dosage for Dogs, Cats, Cattle, Pigs By Weight
Trade Names: Sulmet and generic brands
Functional classification: Antibacterial

Sulfamethazine Dosing for Dogs, Cats, Cattle, Pigs By Weight

Important Safety Information

Follow proper dosing schedules and withdrawal times for food-producing animals.

Use with caution in animals with renal impairment or dehydration.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 779-780

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs and Cats PO 100 mg/kg (loading) Single dose
PO 50 mg/kg (maintenance) q12h

Large Animal Dosage

Species Route Dosage Frequency
Cattle PO (Standard) 220 mg/kg (loading) Single dose
PO (Standard) 110 mg/kg (maintenance) q24h
PO (Soluble) 237 mg/kg (loading) Single dose
PO (Soluble) 119 mg/kg (maintenance) q24h
PO (Sustained) 350-400 mg/kg Single dose
Pigs PO (Soluble) 237 mg/kg (loading) Single dose
PO (Soluble) 119 mg/kg (maintenance) q24h