Generic name: hydroxyzine pamoate
Dosage form: capsule
Drug classes:Antihistamines, Miscellaneous anxiolytics, sedatives and hypnotics
Medically reviewed by Drugs.com. Last updated on Dec 1, 2021.
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Hydroxyzine Capsules Description
Hydroxyzine pamoate is a light yellow odorless powder, practically insoluble in water and methanol and freely soluble in dimethylformamide. It is chemically designated as (±)-2-[2-[4-(p-Chloro-α-phenylbenzyl)-1-piperazinyl]ethoxy]ethanol 4,4 -methylenebis[3-hydroxy-2-naphthoate] (1:1) and can be structurally represented as follows:
Chemical Formula: C21H27ClN2O2.C23H16O6
Molecular Weight: 763.29
Inert ingredients for the capsule formulations are: hard gelatin capsules (which contain gelatin, titanium dioxide, FD&C Blue #1, FD&C Red #40, D&C Yellow #10), printing ink which contains shellac glaze ~45% (20% esterified) in Ethanol, iron oxide black, n-butyl alcohol, isopropyl alcohol, propylene glycol and ammonium hydroxide 28%); magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium lauryl sulfate, sodium starch glycolate.
