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

结合 SulfADIAZine pyrimethamine 药物治疗法可以抑制寄虫对于叶酸，也就是维素B9，，而叶酸正是寄虫产新DNA不可或缺重要成分 。