Hydroxyzine Hydrochloride Dosage Calculator

Hydroxyzine Hydrochloride Dosage for Dogs, Cats, Horses By Weight
Trade Names: Atarax, Vistaril
Functional classification: Antihistamine

Hydroxyzine Hydrochloride Dosing for Dogs, Cats, Horses By Weight

Important Safety Information

Effective doses have not been established for cats. For equine use, efficacy has not been established.

Use with caution and consult veterinary literature for specific patient considerations.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 414-415

Weight Unit Converter ▲

Weight Unit Converter ▼

From: To:

Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs IM, PO 2 mg/kg q8-12h
Cats - Effective doses not established -

Large Animal Dosage

Species Route Dosage Frequency
Horses PO 500 mg per horse Twice daily (efficacy not established)