The antibiotic combination of trimethoprim and sulfamethoxazole (TMP/SMX) is used to treat a wide variety of bacterial infections and some infections due to parasites. Bactrim®, Cotrim®, and Septra® are brand names for products containing identical amounts of TMP/SMX. Bactrim® DS and Septra® DS contain twice as much TMP and SMX as Bactrim® and Septra®.
See also: * Infections Associated with Lymphedema