Er Mu San
Star二母散 (Fritillaria and Anemarrhena Powder)
Source: Investigations of Medical Formulas (1584)
Last updated October 1, 2026
Description
Er Mu San (Fritillaria and Anemarrhena Powder), from Investigations of Medical Formulas (1584).
Associated formula of Bei Mu Gua Lou San.
Actions: Clears heat; Transforms phlegm; Moistens the Lungs; Stops coughing
Indications: Cough with copious, yellow, thick sputum, or hacking cough from dryness and heat in the Lungs.
Pattern: Lung heat and dryness with phlegm
Usage: Simple two-herb powder for hot phlegm cough or dry-heat hacking cough.
Composition note: Equal amounts of the two herbs, powdered; 6-9g taken as a draft. No individual doses printed.
Category: Formulas that Moisten Dryness and Transform Phlegm.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 804.
Preparation
Grind equal amounts into powder; take 6-9g as a draft.
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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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