Herb Formulas Notebook


Da Qing Long Tang

Major Blue-Green Dragon Decoction

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



Category: Formulas that Release the Exterior

Pattern: Taiyang Wind-Cold invasion with Heat from constraint in the Interior

Key Symptoms: Severe fever and chills, absence of sweating, irritability, body pain, superficial oedema with dry skin
Secondary Symptoms: Sensation of a heavy body that comes and goes, cough or wheezing without thirst, desire for warm drinks

Tongue: Maybe red with white coating
Pulse: Floating and lax, or floating and tight



Ingredients
Ma Huang 12g
Xing Ren 6g
Gui Zhi 6g
Zhi Gan Cao 6g
Shi Gao 12-18g
Gan Jiang 9g
Da Zao 3pcs

Subsitutions:
In UK Shi Gao has to be substituted, although its usual replacement, Zhi Mu, increases fluids so is not appropriate. Maybe Zhi Zi is better.

Ma Huang also has a legal limit of 1.8g per day, with 0.6g per dose. It can be supplemented or substituted with Jing Jie, Fang Feng and Zi Su Ye.



Preparation: Decoction.

Actions: Promotes sweating, released Wind-Cold from the Exterior, clears Interior Heat

Contraindications: Shaoyin patterns, Yang deficiency, Wind-Stroke patterns with deficiency of the Exterior, cases where sweating increases irritability



Research Links:
Pubmed
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.