Chlorpromazine Dosage Calculator

Chlorpromazine Dosage for Dogs, Cats, Horses, Cattle, Sheep, Goats, Pigs By Weight
Trade Names: Thorazine and Largactil
Functional classification: Antiemetic, phenothiazine

Chlorpromazine Dosing for Dogs, Cats, Horses, Cattle, Sheep, Goats, Pigs By Weight

Important Safety Information

Avoid use in horses. All doses listed are for one-time injection unless otherwise specified.

Use with caution and under veterinary supervision only.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 180-181

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs IM, SQ 0.5 mg/kg q6-8h
Cats IM, SQ 0.2-0.5 mg/kg q6-8h

Large Animal Dosage

Species Route Dosage Frequency
Horses - Avoid use -
Cattle IV 0.22 mg/kg Single dose
Cattle IM 1.1 mg/kg Single dose
Sheep & Goats IV 0.55 mg/kg Single dose
Sheep & Goats IM 2.2 mg/kg Single dose
Pigs IM 0.5 mg/kg Single dose