Can I Take Bactrim For Ear Infection?

Can I Take Bactrim For Ear Infection? Bactrim is used to treat ear infections, urinary tract infections, bronchitis, traveler’s diarrhea, shigellosis, and Pneumocystis jiroveci pneumonia. Bactrim may also be used for purposes not listed in this medication guide. How long does it take for sulfamethoxazole to work for ear infection? Bactrim (sulfamethoxazole / trimethoprim) is