Drug reference
sulfanilamide
Sulfonamide · Antibacterial
SulfonamideAntibacterial
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Sulfanilamide is a derivative of para-aminobenzenesulfonamide. The sulfur must be linked directly to the benzene ring. The para-NH2 group (N4) is essential and can be replaced only by moieties that can be converted in vivo to a free amino group.
Other Sulfonamide drugs
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Sources: Goodman & Gilman 14e·Verified: 2026-05-10 · House clinical team