Rifampin Dosing for Dogs, Cats, Horses, Cattle By Weight
Important Safety Information
For foals with R. equi, rifampin should be combined with erythromycin (25 mg/kg q8h PO).
Use with caution and monitor for potential side effects. Always follow veterinary guidance.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 736-738
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | PO | 5 mg/kg | q12h |
| PO | 10 mg/kg | q24h | |
| Cats | PO | 5 mg/kg | q12h |
| PO | 10 mg/kg | q24h |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | PO | 10 mg/kg | q24h |
| PO (Foals) | 5 mg/kg | q12h (for R. equi with erythromycin) | |
| Cattle | PO | 20 mg/kg | q24h |