Yuan Hu Suo Corydalis Root Classic Formulas … Natural Herb Library

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Invigorates Blood, moves qi, and relieves pain ... Yuan Hu Suo remains one of the most direct traditional herbs for stagnation pain with both distention and fixation.
Relieves digestive, flank, chest, and menstrual pain ... it is used where movement is blocked rather than where weakness alone explains the symptoms.
Supports trauma and postpartum pain treatment ... the raw tuber continues to function as a practical pain herb across gynecologic and injury settings.

Jin Ling Zi San ... classic constrained-pain pairing for Liver-Stomach stagnation with pain.
Yan Hu Suo Zhi Tong Wan ... corydalis-centered formula tradition for pain due to obstruction.
Shao Fu Zhu Yu Tang modifications ... gynecologic stasis pain context where corydalis helps move and relieve.

Yuan Hu Suo remains part of the same long pain-herb lineage that later editors and clinicians usually treat under the broader corydalis umbrella.
Its clinical meaning stays tied to moving both qi and blood rather than to any single modern disease label.