sulfamethoxazole

[suhl-fuh-meth-ok-suh-zohl]

noun Pharmacology.

an antimicrobial substance, C10H11N3O3S, used against a variety of susceptible Gram-positive and Gram-negative organisms, as in the treatment of certain urinary tract infections and skin infections.

Origin of sulfamethoxazole

1955–60; sulfa(nilamide) + meth(yl) + (is)oxazole; see is-, ox-, azole