Merck Manual

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Sulfonamides

By

Brian J. Werth

, PharmD, University of Washington School of Pharmacy

Last full review/revision Jul 2020| Content last modified Jul 2020
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Topic Resources

Sulfonamides are a class of antibiotics Overview of Antibiotics Antibiotics are drugs used to treat bacterial infections. They are ineffective against viral infections and most other infections. Antibiotics either kill microorganisms or stop them from reproducing... read more that are effective against many and . Some sulfonamides are applied directly to the skin (topically) to treat burns and skin, vaginal, and eye infections.

Sulfonamides include the following:

Sulfonamides work by preventing bacteria from producing a form of folic acid they need to grow and multiply.

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Use of Sulfonamides During Pregnancy and Breastfeeding

Drugs Mentioned In This Article

Generic Name Select Brand Names
AZULFIDINE
BLEPH-10
No US brand name
COUMADIN
SULFAMYLON
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