Of or containing sulfonamide or sulfanilamide.

A sulfonamide or sulfanilamide.

(pharmacology) Used to form names of sulfonamides used as antiinfectives.

plural of sulfa

plural of sulfa drug

Any of a group of antibiotic drugs structurally related to sulphonamide, tending to be bacteriostatic rather than bacteriocidal.

(American spelling, chemistry) Any salt or ester of sulfamic acid

plural of sulfamate

(pharmacology) A sulfonamide antibiotic that works by halting the production of folic acid inside the bacterial cell, commonly used to treat meningococcal meningitis, toxoplasmosis, and urinary tract infections.

(pharmacology) A long-lasting sulfonamide often used to treat or prevent malaria and certain infections of livestock.