Question: are atarax and vistaril interchangeable?
Answer: Are Atarax and Vistaril the Same Thing? Vistaril (hydroxyzine pamoate) and Atarax (hydroxyzine hydrochloride) are antihistamines with anticholinergic (drying) and sedative properties used as sedatives to treat anxiety and tension. Vistaril is also used together with other medications given for anesthesia.