Herb Formulas Notebook

Yan Hu Suo Tang

Corydalis Decoction

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Source: Formulas to Aid the Living (1253)
Author: Yan Yong-He

Category: Formulas that Regulate Qi

Pattern: Qi stagnation and Blood stasis from damage by the seven emotions, Yin Wei Mai Heat pain with combined Shaoyin and Ren Mai pattern.

Key Symptoms: Stabbing chest and abdominal pain radiating downward into the lower back and flanks, or upward into the upper back and arms, piercing pain along the spine and severe spasms, late or irregular menstruation

Yan Hu Suo 15g (dry fried)
Dang Gui 15g (wine fried)
Pu Huang 15g (dry fried)
Chi Shao 15g
Rou Gui 15g
Jiang Huang 9g
Ru Xiang 9g
Mo Yao 9g
Mu Xiang 9g
Zhi Gan Cao 7.5g

Preparation: Ground into powder and prepared as a draft by decocting 12g with 200ml of water and adding 7 slices of sheng jiang until 140ml remains, discarding the dregs.

Actions: Invigorates the Blood, moves the Qi, alleviates pain

Contraindications: Pregnancy

Extraordinary Vessel attributions come from Li Shi-Zhen's (1577-8) Exposition on the Eight Extraordinary Vessels (Qi Jing Ba Mai Kao), trans. Chace & Shima (2009).

Research Links:
Science Direct
Google Scholar
Journal of Chinese Medicine
American Dragon

Reference Notes: (click to display)

These pages are intended to assist clinicians and are not intended for self-diagnosis or treatment for which a qualified professional should be consulted.