ExoticRx · exoticrx.com/drugs/hydroxyzine
US brand names:Atarax, Vistaril
Hydroxyzine is dosed at 1–2 mg/kg PO q8-12h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Verify against current literature before clinical use.
H1 antihistamine with anxiolytic and antipruritic properties. Metabolized to cetirizine (active metabolite). Crosses blood-brain barrier.
Sedation common. Anticholinergic effects. Used for pruritus and anxiety. IM injection painful — avoid. Metabolized to cetirizine which is also used clinically.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
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