Herb Formulas Notebook

Er Qing Gao

Double Dark Plaster

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Source: Orthodox Lineage of External Medicine (1617)
Author: Chen Shi-Gong

Category: Formulas that are Applied Externally

Pattern: Red, hot swellings or first stage trauma

Key Symptoms: Red, hot swellings, especially if firm or ones that have already come to a head.
Secondary Symptoms: Also for first stage trauma such as sprains, strains, relocated dislocations, bruises and bumps.

Qing Dai 30g
Fu Rong Ye 30g
Po Xiao 30g
Da Huang 120g
Tian Hua Fen 90g
Long Gu 30g
Huang Bai 30g
Bai Lian 30g
Bai Wei 30g
Bai Ji 30g
Bai Zhi 30g
Bai Xian Pi 30g

Several of the ingredients may be hard to find in the UK. Standard substitutions used for internal formulas may also not be effective for absorption through the skin. Herbs like Pu Gong Ying, Jin Yin Hua and Ju Hua would help replace the Heat and Toxicity resolving aspects while Mo Yao, Ru Xiang or Xue Jie will help with Blood stasis. Bing Pian may help with both. Zao Jiao Ci may help with expelling pus.

Preparation: Ground into a powder and mixed with an adjuvant to make a soft plaster. For treatment of swelling it is mixed with honey and vinegar to make a paste. For trauma it is mixed with rice wine and honey or sesame oil. Petroleum Jelly may also be used. Once made the paste is spread on gauze and secure over the affected site to be changed daily, cleaning the site during each change.

Actions: Clears Heat, resolves toxicity, disperses swelling and relieves pain

Contraindications: Do not apply to open wounds

For swellings that have not yet come to a head consider Jin Huang Gao which has a stronger action at bringing a swelling to a head quickly.

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.