sulfa drug - antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABAsulfadiazine - a sulfa drug used in treating meningitis and pneumonia and other infections Gantanol, sulfamethoxazole - a sulfonamide (trade name Gantanol) used to treat infections (especially infections of the urinary tract) sulfanilamide - a white odorless crystalline sulfa drug; the parent compound of most of the sulfa drugs sulfapyridine - sulfa drug derived from pyridine and sulfanilamide Thiosulfil - trade name for a sulfonamide antibacterial |