Phenobarbital, Phenobarbital Sodium Dosing for dogs, Cats, Horses, Foals By Weight
Important Safety Information
For IV administration in horses: administer over 30 minutes (may be diluted in sodium chloride).
For foals: administer slowly over 20 minutes. Start with lower dose and monitor for effect.
Use with caution and monitor for therapeutic levels and side effects.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 651-653
Weight Unit Converter ▲
Weight Unit Converter ▼
| From: | To: |
Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | PO | 2-8 mg/kg | q12h |
| IV | 10-20 mg/kg | Status epilepticus: Administer in increments to effect | |
| Cats | PO | 2-4 mg/kg | q12h |
| IV | 10-20 mg/kg | Status epilepticus: Administer in increments to effect |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | PO | 12 mg/kg | q24h (may increase to q12h if needed) |
| IV | 5-20 mg/kg | Administer over 30 minutes | |
| Foals | IV | 2-5 mg/kg | Administer slowly over 20 minutes |