Benadryl One A Day is a medicine, which is used to relieve the symptoms of hay fever and other allergic conditions such as pet or dust allergies. The tablets contain cetirizine dihydrochloride which is an antihistamine that helps relieve allergy symptoms such as sneezing, runny nose and watery eyes. It can also be used to treat allergic skin reactions, these include urticaria, also known as hives, where the skin looks blotchy, with white raised wheals (bumps) surrounded by redness.

This medicine is for use in adults and children aged 12 years and over.