Formula Database


Chai Hu Da Yuan Yin

(Bupleurum Drink to Reach the Source)

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Source: Revised Popular Guide to the Discussion of Cold Damage (Qing Dynasty)

Category: Formulas that Harmonise

Pattern: Phlegm-Dampness obstructing the Membrane Source (Mo Yuan)

Key Symptoms: Focal distention and fullness in the chest and epigastrium, irritability, dizziness or vertigo, a pasty sensation in the mouth, cough with sputum that is difficult to expectorate, intermittent fever and chills

Tongue: Thick white coating that looks powdery and course like rice flour
Pulse: Wiry and slippery


Ingredients
Chai Hu 4.5g
Hou Po 4.5g
Zhi Ke 4.5g
Qing Pi 4.5g
Zhi Gan Cao 2.1g
Huang Qin 4.5g
Jie Geng 3g
Cao Huo 1.8g
Bing Lang 6g
He Ye 9-15g

Subsitutions:
In the UK Bing Lang must be substituted. Zhi Shi and either Yu Li Ren or Fei Zi for parasites are the standard substitutions. Alternatively if being used for malarial disorders as many discussions of the Membrane Source imply then Qing Hao may be suitable although the fresh herb is really needed if the antimalarial component Artemisinin is wanted.



Preparation: Decoction.

Actions: Transforms Phlegm and Dampness, vents Shaoyang disorders at the level of the Membrane Source (Mo Yuan)



Notes:
The Membrane Source (Mo Yuan) is a concept whose exact definition has changed over time but which generally seems to relate the membranes surrounding the vital organs and especially the diaphragm. As such it associated with the San Jiao and with Shaoyang as half interior, half exterior.


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.