Promethazine Hydrochloride Dosage Calculator

Promethazine Hydrochloride Dosage for Dogs and Cats By Weight
Trade Names: Phenergan, promethazine
Functional classification: Antiemetic, phenothiazine

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