Promethazine Hydrochloride Dosing for Dogs and Cats By Weight
Important Safety Information
Do not exceed 1 mg/kg total dose. Use with caution in animals with cardiovascular disease, seizures, or liver impairment.
No doses have been reported for large animals.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 707-708
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | IV | 0.2-0.4 mg/kg | Every 6-8 hours |
| IM | 0.2-0.4 mg/kg | Every 6-8 hours | |
| PO | 0.2-0.4 mg/kg | Every 6-8 hours | |
| Cats | IV | 0.2-0.4 mg/kg | Every 6-8 hours |
| IM | 0.2-0.4 mg/kg | Every 6-8 hours | |
| PO | 0.2-0.4 mg/kg | Every 6-8 hours |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| No doses have been reported for large animals | |||