Activating Blood and Inducing Diuresis ⁽¹⁾

Digang Wan (Expel the Storage Pill) is a Zhang Zhongjing formula from the Shanghan Lun for "lower burner blood-storage syndrome." It is composed of Shuizhi (Leech), Mengchong (Tabanid Fly), Taoren (Peach Kernel), and Dahuang (Rhubarb), and has the action of attacking and expelling static blood.