Griseofulvin Dosing for Dogs, Cats, Horses By Weight
Important Safety Information
For dogs: Start with 25 mg/kg q12h PO and then increase to 50-60 mg/kg q12h PO for refractory cases.
For horses: Treatment should be continued for minimum of 10 days.
Use with caution in pregnant animals and monitor liver function during treatment.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 394-395
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Formulation | Dosage | Frequency |
|---|---|---|---|
| Dogs | Microsize | 25-60 mg/kg | q12h PO |
| Ultramicrosize | 30 mg/kg/day | Divided treatments PO | |
| Cats | Microsize | 25 mg/kg | q12h PO |
Large Animal Dosage
| Species | Formulation | Dosage | Frequency |
|---|---|---|---|
| Horses | Microsize | 5.6 mg/kg | q24h PO for minimum 10 days |
Formulation Information
Microsize: Fulvicin U/F, Grisactin, Grifulvin
Ultramicrosize: Fulvicin P/G, Gris-PEG