Oral hydrOXYzine hydrochloride is contraindicated in clients with recognised hypersensitivity to hydrOXYzine hydrochloride merchandise, As well as in clients with known hypersensitivity to cetirizine hydrochloride or levocetirizine hydrochloride. HydrOXYzine is contraindicated in clients with a prolonged QT interval. HydrOXYzine, when administered