1) Gantrisin 2) Sulfa 3) Sulfa drug 4) Sulfonamide 5) Sulpha 1) Gantrisin 
<chemical> 4-amino-n-(3,4-dimethyl-5-isoxazolyl)benzenesulfonamide. One of the antibacterial sulfonamides generally used for treatment of infections. It is bacteriostatic against a wide range of gram- negative and gram-positive organisms, but acquired resistance is common. ... Pharmacological action: anti-infective agents. ... Chemical name: ...
(sul″fә-sok´sә-zōl) a short-acting sulfonamide antibacterial; used as the base or as sulfisoxazole acetyl particularly for infections of the urinary tract and as sulfisoxazole diolamine as a topical ophthalmic antibacterial.
[n] - a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract
Gantrisin noun a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract
a white to yellowish, crystalline, slightly bitter sulfonamide, CHNOS, used chiefly in the treatment of infections of the urinary tract.