Ge Xia Zhu Yu Tang is a 12-ingredient Chinese Medicine formula with Szechuan Lovage Roots (Chuan Xiong), Safflowers (Hong Hua) and Peach Kernels (Tao Ren) as principal ingredients.
Invented in 1830 AD, it belongs to the category of formulas that invigorate Blood and dispel Blood Stagnation.
Its main actions are: 1) invigorates Blood and 2) eliminates Blood Stagnation below the diaphragm.
In Chinese Medicine health conditions are thought to arise due to "disharmonies" in the body as a system. These disharmonies are called "patterns" and the very purpose of herbal formulas is to fight them in order to restore the body's harmony.
In this case Ge Xia Zhu Yu Tang is used by TCM practitioners to fight patterns like Blood Stagnation, Liver Blood Stagnation or Qi And Blood Stagnation.
From a Western Medicine standpoint, such patterns can give rise to a range of conditions such as scanty menstruation, menstrual cramps or absence of menstruation for instance.