hydroxyzine antihistamine drug. used include treatment of itching, anxiety and motion sickness

hydroxyzine antihistamine hydroxyzin antiobsessive antipsychotic psychoneurosis anxiety anxiolytic itching hyperalgesia motion sickness sedative drowsiness tranquilizer allergy allergic urticaria dermatose pruritus histamine cetirizine hydrogen carbon oxygen nitrogen chlorine disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular