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Trimethoprim-sulfamethoxazole
Pronunciation
Definition 1
An antibiotic drug used to treat infection and prevent pneumocystis carinii pneumonia. (NCI Dictionary)
Definition 2
A synthetic combination of two antibacterial agents, trimethoprim and sulfamethoxazole. This synergistic combination, also known as Co-Trimoxazole, inhibits two sequential steps in the bacterial metabolism of folic acid. Trimethoprim is a pyrimidine inhibitor of dihydrofolate reductase; sulfamethoxazole is a sulfamide inhibitor of bacterial dihydrofolate synthase. (NCI Thesaurus)
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