Description
Ba Er Dan (Eight-To-Two Powder), from Empirical Formula (Jing Yan Fang).
Actions: Discharge pus and eliminate putridity. Indicated for the treatment of various ulcers with unfinished suppuration and slough
Indications: It is only for external use. Its use is cautious when applying on the affected area near mouth or eyes, and prohibited when applying on the affected area with thin muscle and inability to suppurate or just thick pus or in patients with mercury allergy
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 861–873.
Composition
Preparation
Grind the ingredients into extremely-fine powder, apply it into the opening of sore or use medicated thread dip the powder and insert into the sore, and cover with plaster or ointment, and change dressings, 1–2 times a day
Relationships
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Formula family
Full herb lists
- Jiu Huang Dan = this formula + Bing Pian, Chuan Bei Mu, Mo Yao, Peng Sha, Ru Xiang, Xiong Huang and Zhu Sha
Each entry reads as the larger formula written out: “+” adds its other catalogue cores, then the herbs none of them hold. A catalogue formula counts as a core only when at least 80% of its herbs are present, no more than 1 is absent, and the absent herb is not its chief.
Formula Network
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Similar Formulas by composition
Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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