Now available over the counter, Treathay is a brand of hay fever and allergy relief medication that contains prescription-strength fexofenadine hydrochloride. It’s an effective, quick acting treatment that helps relieve sneezing, runny or blocked noses and irritated eyes with a single, daily, and non-drowsy tablet, so you can live your life free of hay fever hassle. Stock up on Treathay antihistamine tablets with Pharmacy2U today with fast, flexible UK delivery.