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trimethoprim-sulfamethoxazole

Pronunciation: tri-meth'o-prim sul'fa-meth-oks'a-zol

Definition: A drug combination consisting of a dihydrofolate reductase inhibitor (trimethoprim) and a sulfonamide antibacterial drug (sulfamethoxazole). The drug combination is synergistic as the drugs interfere with two successive steps in the formation/utilization of folic acid by microorganisms. Used to treat many infectious diseases.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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