Herb Formulas Notebook

Bai San

White Powder

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Source: Discussion of Cold Damage (c. 220)
Author: Zhang Ji / Zhong-Jing

Category: Formulas that Drain Downward

Pattern: Cold-Phlegm leading Cold excess clumping in the chest

Key Symptoms: Extreme fullness and hardness in the chest (possibly extending to the lower abdomen), constipation, coughing up of turbid fishy-smelling sputum.

Jie Geng 30g
Ba Dou 10g
Bei Mu 30g

In the UK Ba Dou is substituted with Wu Zhu Yu.

Preparation: Ground into powder and taken in 0.5-1g doses with warm water.

It is supposed to induce diarrhoea to purge the insides. The source text advises to take with warm rice gruel if it does not induce diarrhoea, or with cold rice gruel if the diarrhoea does not stop.

Actions: Warmly drains downward, expels water, transforms Phlegm, disperses clumping.

Contraindications: Weak and pregnant patients, or in cases of acute abdominal pain due to Heat or Summerheat.

Research Links:
Science Direct
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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.