Fexofenadine Overview, How to Take, Dosage, Overdose and Side Effects

Fexofenadine, sold under the trade name Allegra, is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever, nasal congestion, and urticaria. Fexofenadine is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children.