Isoniazid Dosing for Dogs and Cats By Weight
Important Safety Information
Use with caution and monitor for hepatotoxicity. Regular liver function tests are recommended during treatment.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 439-440
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Standard Dosage Guidelines
Small Animal Dosage
| Species |
Route |
Dosage |
Frequency |
| Dogs |
PO, IM, IV |
5 mg/kg |
Once daily |
| PO, IM, IV |
Up to 10-15 mg/kg |
Once daily or 15 mg/kg two to three times per week |
| Cats |
PO, IM, IV |
5 mg/kg |
Once daily |
| PO, IM, IV |
Up to 10-15 mg/kg |
Once daily or 15 mg/kg two to three times per week |
Large Animal Dosage
| Species |
Route |
Dosage |
Frequency |
| Horses |
- |
No dose reported |
- |
| Cattle |
- |
No dose reported |
- |
| Pigs |
- |
No dose reported |
- |