hy·droxy·zine noun \hī-ˈdräk-sə-ˌzēn\
: a compound C21H27ClN2O2 used as an antihistamine and tranquilizer
Origin of HYDROXYZINE
First Known Use: 1956
hy·droxy·zine noun \hī-ˈdräk-sə-ˌzēn\ (Medical Dictionary)
: a compound that is administered usually in the form of its dihydrochloride C21H27ClN2O2·2HCl or pamoate C21H27ClN2O2·C23H16O6 and is used as an antihistamine and tranquilizer—see vistaril
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