Ilaxten 20mg Tablets 10'sIlaxten 20mg (Bilastine) is a non drowsy, prescription grade antihistamine used to treat hay fever, allergic rhinitis (sneezing, runny blocked nose, watery eyes), and itchy skin rashes (urticaria). It works by blocking histamines in the body. Dosage & Use Instructions Adults and adolescents (12+ years): 1 tablet 20mg once daily. How to take it: Swallow whole with a glass of water on an empty stomach (1 hour before or 2 hours after consuming food or