Why Would a Doctor Prescribe Tablets Containing 800 Milligrams Sulfamethoxazole and 160 Milligrams Trimethoprim?


Quick Answer

Sulfamethoxazole/trimethoprim is prescribed to treat systemic bacterial infections, such as infections of the middle ear, urinary tract, respiratory system and gastrointestinal tract. It is an antibacterial combination drug known by the brand names Bactrim and Septra, reports Kaiser Permanente.

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Full Answer

Dozens of types of bacteria are susceptible to sulfamethoxazole/trimethoprim. Conditions for which the drug is indicated include chronic bronchitis, bacterial meningitis, traveler's diarrhea and shigellosis, notes Medscape. The drug also finds use in the treatment and prevention of certain types of pneumonia such as Pneumocystis jiroveci pneumonia and community-acquired pneumonia.. It may be prescribed off-label for the treatment of acne vulgaris.

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