It is used to treat : • Allergic conditions including hay fever, drug rashes, angioneurotic oedema, serum sickness, allergic conjunctivitis, food allergy etc. • Conditions of the respiratory tract that are accompanied by increased secretion, including Vasomotor rhinitis and acute rhinitis. • All itching skin conditions, including neurodermatitis, eczema of any origin, lichen planus, acute and chronic urticaria, pruritis of the anus or genitals, pruritus in icterus and diabetes, radiation Sickness etc.