Definitions for "SULFA DRUG"
a sulfonamide-containing antibiotic drug.
Any of a class of synthetic chemical substances derived from sulfanilamide and used to treat bacterial infections. These drugs inhibit the action of para-aminobenzoic acid, a substance bacteria needed in order to reproduce. Sulfa drugs are used primarily in the treatment of urinary tract infections and ulcerative colitis. Antibiotics have largely replaced them in the treatment of other bacterial infections.
antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA