Xiao Yao Lou Bei San

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Source: Zhong Yi Wai Ke Xue

Last updated October 1, 2026

Not yet clinically reviewed

Description

Xiao Yao Lou Bei San (Free Wanderer Trichosanthes and Fritillaria Powder), from TCM External Medicine (Zhong Yi Wai Ke Xue).

Actions: Soothe the liver and rectify qi, dissolve phlegm and dissipate masses

Indications: Indicated for the treatment of breast lump (hyperplasia of the mammary gland) and carcinoma of the breast in the initial stage, with nodule and mass in the breast and pain, lump of different sizes with soft or tough in nature, and obscure boundary, moveable by push; and change of lump and pain following the emotion-thought change.

Category: Formulas that Regulate and Harmonize the Liver and Spleen.

Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 475–476.

Preparation

Decoct the ingredients with water for oral use.

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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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