Question: Chattem is an American, Chattanooga, Tennessee-based, producer and marketer of over-the-counter healthcare products, brand portfolio includes Allegra, what other name is it called by?
Sentence (from "Fexofenadine"): Fexofenadine, sold under the trade name Allegra among others is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever, nasal congestion, and urticaria.
Relevant evidence: Yes