sulfamethoxazole

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

noun

, Pharmacology.

1. an antimicrobial substance, C 1 0 H 1 1 N 3 O 3 S, used against a variety of susceptible Gram-positive and Gram-negative organisms, as in the treatment of certain urinary tract infections and skin infections.

Word History and Origins

Origin of sulfamethoxazole¹

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

Example Sentences

Orthopedist No. 3 put me on sulfamethoxazole/trimethoprim and cephalexin, which seemed to work, or so I convinced myself.

From Scientific American

The drug, sulfamethoxazole, is an antibiotic that’s used to treat or prevent infections.

From Salon

This antibiotic is often prescribed in combination with sulfamethoxazole to treat common infections.

From Seattle Times

Human and wildlife E. coli isolates also had similar levels of resistance to the same antibiotics—most commonly ampicillin, doxycycline, streptomycin, tetracycline, and trimethoprim/sulfamethoxazole.

From Science Magazine

In the United States, most Shigella is already resistant to the antibiotics ampicillin and trimethoprim/sulfamethoxazole.

From US News