Herb Formulas Notebook

Huang Long Tang

Yellow Dragon Decoction

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Source: Six Texts on Cold Damage (1445)
Author: Tao Hua

Category: Formulas that Drain Downward

Pattern: Heat Excess in the Interior with Qi and Blood deficiency

Key Symptoms: Green, watery and foul smelling diarrhoea, abdominal pain that increases upon pressure, fever, thirst, a dry tongue and mouth, shortness of breath, lethargy delirious speech
Secondary Symptoms: Constipation with firm, painful abdominal distention. In severe cases there may be hallucinations and "grabbing the air" or impaired consciousness with frigid, contracted extremities.

Tongue: Dry, yellow or black tongue coating
Pulse: Deficient

Da Huang 9-12g
Mang Xiao 9-12g
Zhi Shi 6-9g
Hou Po 3-12g
Ren Shen 6-9g
Dang Gui 9-12g
Jie Geng 3-6g
Gan Cao 3g
Sheng Jiang 9g
Da Zao 2pcs

In the UK Mang Xiao must be substituted with Yu Li Ren.

Preparation: Decoction. Some sources recommend adding Jie Geng near the end.

Actions: Purges Heat from the Interior and supports the normal Qi.

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.