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 |