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?
Chattem:  Originally named the Chattanooga Medicine Company, the company’s brand portfolio holds twenty-two brands including Allegra, Gold Bond, Flexall, IcyHot, Rolaids, Sun-In, Pamprin, Dexatrim, Aspercreme, and Selsun Blue.
i don't know