Telfast Allergy 120mg Antihistamine Tablets 30. Telfast Allergy contains fexofenadine hydrochloride, which is a non-drowsy antihistamine.. Telfast Allergy is used in adults and adolescents of 12 years and older to relieve the symptoms that occur with hay fever (seasonal allergic rhinitis) such as sneezing, itchy, runny or blocked nose and itchy, red and watery eyes.
