英文名称:Hydroxyzine dihydrochloride 中文名称:盐酸羟嗪 CAS:2192-20-3 分子式:C21H27ClN2O2·2HCl 分子量:447.83 产品说明:Hydroxyzine hydrochloride is a histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite CETIRIZINE, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative.