Dictionary

hydroxyzine

noun hy·droxy·zine \hī-ˈdräk-sə-ˌzēn\

Definition of HYDROXYZINE

:  a compound C21H27ClN2O2 used as an antihistamine and tranquilizer

Origin of HYDROXYZINE

hydroxy- + piperazine
First Known Use: 1956
Medical Dictionary

hydroxyzine

noun hy·droxy·zine \hī-ˈdräk-sə-ˌzēn\

Medical Definition of HYDROXYZINE

:  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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