trimethoprim-sulfamethoxazoleListen to pronunciation(try-MEH-thoh-prim-SUL-fuh-meh-THOK-suh-zole)An antibiotic drug used to treat infection and prevent pneumocystis carinii pneumonia.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#