Cephalexin Dosing for Dogs, Cats, Horses By Weight
Important Safety Information
Use with caution in animals with known hypersensitivity to cephalosporins or penicillins.
Monitor for gastrointestinal side effects and adjust dosage as needed based on clinical response.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 170-171
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | PO | 10-30 mg/kg | Every 6-12 hours |
| Cats | PO | 15-20 mg/kg | Every 12 hours |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | PO | 30 mg/kg | Every 8 hours |
Indications
Dogs: Pyoderma and other skin infections: 22-25 mg/kg q12h PO. For other infections: 10-30 mg/kg q6-12h PO.
Cats: 15-20 mg/kg q12h PO.
Horses: 30 mg/kg q8h PO for susceptible gram-positive bacteria (minimum inhibitory concentration ≤0.5 mcg/mL).