三甲氧苄氨嘧啶(简称 TMP)与磺胺类药物联合用于临床以来,在控制感染方面发挥了很好的作用。国内外报告在一般剂量下,毒性很小,但超过常用量时,亦可引起一些不良反应,如对造血系统可引起白细胞、血小板减少,停药后虽可恢复,但 Trimethoprim (hereinafter referred to as TMP) and sulfa drugs used in clinical, has played a very good role in the control of infection. Domestic and international reports at normal doses, the toxicity is very small, but more than the usual amount, can also cause some adverse reactions, such as the hematopoietic system can cause leukopenia, thrombocytopenia, although the withdrawal may be restored, but