Nitrofurantoin Dosing for Dogs, Cats, Horses By Weight
Important Safety Information
Use with caution in animals with renal impairment. Monitor for gastrointestinal side effects.
Do not use in animals with significant renal dysfunction as the drug may not achieve adequate urinary concentrations.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 594-595
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Formulation | Dosage | Frequency |
|---|---|---|---|
| Dogs & Cats | Standard | 10 mg/kg/day | Divided into four daily treatments, then 1 mg/kg at night PO |
| Macrocrystalline | 2-3 mg/kg | q8h PO, followed by 1-2 mg/kg once at nighttime |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | PO | 2 mg/kg | q8h PO |