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Zhang Bingcheng\'s formula addresses joint swelling marked by Heat or redness, and is particularly useful for the knees. It can be used for heat bi patterns with pain, swelling, and stiffness, and also Wei patterns with numbness or weakness in the legs when due to Damp Heat. 

Si Miao Wan / Joint swelling, Knee health 四妙丸


Cx. Phellodendri    Huang Bai  

Drains Damp-Heat, especially from the Lower Jiao and drains Kidney Fire.


Rz. Atractylodis    Cang Zhu  


Strongly dries Dampness, tonifies the Spleen, and clears Dampness from the Lower Jiao.
With Huang Bai, for pain, swelling, and weakness of the lower extremities or skin lesions due to Wind-Dampness.


Rx. Achyranthis Bidentatae    Niu Xi  

Invigorates the Blood, expels Blood Stasis, clears Damp-Heat in the Lower Jiao and regulates water metabolism.


Sm. Coicis    Yi Yi Ren    

Promotes urination, leaches out Dampness, strengthens the Spleen, expels Wind-Dampness and clears Damp-Heat.

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