Omeprazole Dosing for Dogs, Cats, Horses By Weight
Important Safety Information
For horses: Treatment duration is typically 4 weeks for ulcer treatment. Prevention doses are lower than treatment doses.
Use with caution in animals with liver impairment. Monitor for gastrointestinal side effects.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 604-607
Weight Unit Converter ▲
Weight Unit Converter ▼
| From: | To: |
Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | PO | 1-2 mg/kg | q24h |
| Cats | PO | 1 mg/kg | q24h |
Large Animal Dosage
| Species | Route | Dosage | Frequency | Purpose |
|---|---|---|---|---|
| Horses | PO | 1-4 mg/kg | Once daily for 4 weeks | Treating ulcers |
| PO | 1-2 mg/kg | q24h | Preventing ulcers | |
| IV | 0.5-1 mg/kg | Loading dose 1 mg/kg, then 0.5 mg/kg daily for 14-28 days | Treatment |
Additional Information
Note for Horses: There is evidence that 1-2 mg/kg per day may be as effective for treatment as higher doses. Based on approved formulations (Gastrozol), 1 mg/kg was effective at the labeled dose.