Hydroxyzine is available in two forms: hydroxyzine hydrochloride (the brand name version, Atarax, is no longer available) and hydroxyzine pamoate ... by adjusting your dosage and monitoring ...

Imipramine pamoate (equal to HCl) 75mg, 100mg, 125mg, 150mg. The exact mechanism of action is not known. However, it does not act primarily by stimulation of the central nervous system.

investigated the potential of the histamine H1 blocker hydroxyzine to improve sleep in patients with cirrhosis and minimal hepatic encephalopathy. All 35 patients (mean age 56 years [range 36–69 ...