Leng Xiao Wan
Star冷哮丸 (Cold Wheezing Pill)
Source: Zhang Shi Yi Tong — Zhang Lu-Xuan (Qing, 1695)
Last updated October 1, 2026
Description
Leng Xiao Wan (Cold Wheezing Pill), from the Zhang Shi Yi Tong (Comprehensive Medicine According to Master Zhang) by Zhang Lu-Xuan — a variation of Ling Gan Wu Wei Jiang Xin Tang.
Actions: Dispels cold and expels phlegm.
Presentation: Cold invasion to the upper back: coughing and wheezing after cold exposure, distention and fullness of chest and diaphragm, inability to lie flat due to dyspnea.
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 1243.
Preparation
Source text: grind to fine powder, form pills with powdered Shen Qu and fresh Sheng Jiang juice; at onset take 6g (3g if weak) at bedtime with tea of 6g Sheng Jiang, and apply San Jian Gao topically to Feishu (BL 13). Today: pills with fresh ginger juice, 6g twice daily with warm water or ginger decoction, plus San Jian Gao on BL 13. After the acute phase resolves, give Spleen/Stomach tonics. Doses are batch quantities for pills.
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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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