Meaning of sulfa drug

sul'fa drug"

Pronunciation: [key]
— Pharm. Pharm.
  1. any of a group of drugs closely related in chemical structure to sulfanilamide, having a bacteriostatic rather than a bacteriocidal effect: used in the treatment of various wounds, burns, and infections. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: