Bactrim (order both tests) Bactrim (Sulfamethoxazole and trimethoprim) Gantanol (Sulfamethoxazole) SEPTRA (Sulfamethoxazole and Trimethoprim) Sulfamethoxazole Sulfamethoxazole and Trimethoprim (Bactrim, SEPTRA) Trimethoprim and Sulfamethoxazole (Bactrim, SEPTRA)