Sulfamethoxazole and trimethoprim is a prescription
medication used to treat bacterial infections of the urinary tract, lungs, intestines, ears,
and infections that cause traveler’s diarrhea. It is a single product containing 2 drugs,
sulfamethoxazole and trimethoprim, which belong to a group of drugs called antibiotics. These
work by stopping bacterial growth. Sulfamethoxazole and trimethoprim come in tablet and oral suspension
forms and is taken up to 4 times a day, with or without food. Common side effects of this
medication include diarrhea, vomiting, anorexia, and skin reactions like hives or itching.
Take this medication only if it is prescribed for you by health care provider. For RxWiki,
I’m Teresa Brucker.