Sanofi US is part of a leading global healthcare company that discovers, develops, produces and markets innovative therapies to help protect health and enhance people's lives; part of Sanofi, Tennessee-based Chattem Inc. is dedicated to consumer healthcare, marketing a wide range of over-the-counter (OTC) and consumer health products including the venerable Icy Hot? brand, America?s #1 topical pain reliever. Since 1972 the company has introduced a wide range of topical relief products to provide fast, long lasting relief for muscle aches, strains and arthritis and joint pain. Known for its dual action pain relief, the product line claims it is "icy to dull the pain, and hot to relax it away". Notable pain relief products include pain relieving gel; extra strength medicated back and large area patches; pain relieving cream; pain relief patches; medicated ankle, elbow and knee sleeves for targeted pain relief and more.