These all-rounder allergy tablets can be used for hayfever and other allergic conditions – especially when other treatments have failed. __Benefits:__ - Provides effective relief from allergy symptoms - Blocks the body\'s naturally occurring chemical histamine - Also acts as an antihistamine - Prevents motion sickness and nausea - Suitable for adults and children - Pack of 56 Are you suffering from irritating allergies? If you\'ve tried every treatment and not found a solution – you\'ll find the active ingredient in Phenergan, Promethazine hydrochloride, works by blocking histamine, the natural substance that your body makes during an allergic reaction. It also works directly on the brain to help you feel more relaxed and treat travel sickness and nausea. These tablets are ideal for packing in your toiletry bag to treat allergies, those who are nervous flyers and even car sickness.