clarityn allergy tablets are a non-sedating antihistamine that helps to relieve various allergy symptoms, which include a runny nose, sneezing, burning eyes, itching, urticaria (hives) & a rash. whether these symptoms are caused by hayfever or commonly occur all year round, clarityn allergy tablets are an ideal solution., relieves the symptoms of hayfever & other allergic conditions, 1 a day, long lasting relief