sulphadiazine

例句：

1. 1.This medication is used to treat urinary tract infections.
   这种药物用于治疗尿路感染。
2. 2.Sulphadiazine is an effective treatment for malaria.
   磺胺嘧啶是一种有效的疟疾治疗方法。
3. 3.The patient took the medicine daily for three weeks before improvement was noticed.
   患者在开始服用这药后，在三周内就看到了改善。