Zedoary Rhizome Classic Formulas … Natural Herb Library

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Breaks up blood stasis and strongly moves qi ... E Zhu is used for fixed abdominal pain, amenorrhea, masses, and stubborn stagnation patterns where forceful movement is needed.
Reduces accumulations and relieves distension ... traditional use includes food stagnation, focal fullness, and mass-type obstruction when pain and blockage travel together.
Relieves pain in traumatic and stagnation-driven patterns ... it is one of the stronger Curcuma-family medicinals for dispersion rather than nourishment.

E Zhu with San Leng ... the defining herb-pair strategy for stubborn masses, severe blood stasis, and fixed abdominal pain.
Blood-stasis pain combinations with Dan Shen, Yan Hu Suo, or Dang Gui ... traditional strategy when obstruction and pain are intertwined.
Stagnation and food-accumulation prescriptions with Shan Zha or Mai Ya ... used when focal fullness, obstruction, and pain coexist in the middle burner.

Traditional herbology places E Zhu among the stronger blood-invigorating medicinals that break accumulations and relieve pain.
Compared with Jiang Huang and Yu Jin, E Zhu is the harsher, more mass-resolving lane and is used more cautiously in depleted patients.