from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A sulfa drug, C9H9N3O2S2, once widely used in the treatment of gonorrhea, bacterial pneumonia, and other bacterial infections. It has been replaced by less toxic sulfonamides.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A short-acting sulfa drug, a common oral and topical antimicrobial prior to the discovery of less toxic alternatives.


sulfa +‎ thiazole (Wiktionary)



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