A dual therapy of SulfADIAZine, pyrimethamine, inhibits the utilization of folate, or Vitamin B9, which is vital to producing parasitic DNA.

结 SulfADIAZine pyrimethamine 种药物的治疗法可以抑制寄虫对于叶酸，也就是维素B9，的，叶酸正是寄虫产新DNA不可或缺的重要成分 。