Duration Health



Generic for Bactrim®
Generic for Bactrim®

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Trimethoprim-sulfamethoxazole (TMP-SMX, generic for Bactrim) is an antibiotic. It can be used to treat urinary tract infections and skin infections.

When to avoid

TMP-SMX is known to cause birth defects and should not be used by pregnant women. TMP-SMX may cause your skin to be more sensitive to sunlight. Avoid the sun while taking this medication.

When is it dangerous

Avoid if allergic to sulfa drugs. TMP-SMX can cause rare but fatal reactions including life-threatening types of rash (Stevens-Johnson syndrome, toxic epidermal necrolysis), liver failure (fulminant hepatic necrosis), and life-threatening low blood counts (aplastic anemia and thrombocytopenia). TMP-SMX can cause severe diarrhea (including C. difficile diarrhea). Stop taking TMP-SMX at the first sign of any rash.

When is it used

Urinary tract infection TMP-SMX 1 tab by mouth twice a day for 7 days
Skin infection TMP-SMX 1 tab by mouth twice a day for 7 days

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Only your Duration Health provider can decide, based on your medical history and other factors, whether it is medically appropriate for you to receive prescriptions. We do not sell prefabricated bags of pharmaceuticals. Each Duration Health Med Kit is custom assembled, tailored to each individual patient's needs. See durationhealth.com/kit and durationhealth.com/faq for more important disclaimers.

The information provided on this site is intended for your general knowledge only and is not a substitute for professional medical advice or treatment for specific medical conditions. You should not use this information to diagnose or treat a health problem or disease without consulting with a qualified healthcare provider. Please consult your healthcare provider with any questions or concerns you may have regarding your condition.

If you think you may have a medical emergency, call your doctor, go to the emergency department, or call 911 immediately.