Bactrim tablets are available in two strengths: 480mg and 960mg. This medication contains the active ingredients sulfamethoxazole and trimethoprim, which work together to combat bacterial infections. It is commonly prescribed to treat a variety of infections, including ear infections, urinary tract infections, bronchitis, traveler's diarrhea, and shigellosis. Bactrim is also known by the names Bactrim DS, Oriprim, and Septran.