Co-trimoxazole is a combination of trimethoprim and sulfamethoxazole, a sulfa drug. It eliminates bacteria that cause various infections, including infections of the urinary tract, lungs (pneumonia), ears, and intestines. It also is used to treat 'travelers' diarrhea.' Antibiotics will not work for colds, flu, or other viral infections.

For more information on Bactrim(Sulfamethoxazole + Trimethoprim), click here.