trimethoprimsulfa

Trimosulfa是trimethoprim和sulfamethoxazole的混合物和抗生素组合，sulfamethoxazole抑制二氢叶酸合成酶（dihydropteroate synthase），trimethoprim抑制二氢叶酸还原酶（dihydrofolate reductase），用于轻度至中度细菌感染，对许多革兰氏阴性菌和阳性菌都有效。

Trimethoprim sulfate is a pyrimidine inhibitor of dihydrofolate reductase, it is an antibacterial related to PYRIMETHAMINE. The interference with folic acid metabolism may cause a depression of hematopoiesis. It is potentiated by SULFONAMIDES and the TRIMETHOPRIM-SULFAMETHOXAZOLE COMBINATION is the form most often used. It is sometimes used alone as an antimalarial. TRIMETHOPRIM RESISTANCE has been reported.