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Prescriptions for Clearing away Heat in Zang-Fu Organs

Xiehuang San: Classic TCM Formula

Xie Huang San 泻黄散
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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Name

Powder for Expelling Pathogenic Fire in the Spleen and Stomach

The Prescription of Xiehuang San

Source

The book Xiao Er Yao Zheng Zhi Jue

Ingredients

Huo Xiang (Herba Agastachis) 12 g,Shan Zhi Ren (Semen Gardeniae) 6 g,Shi Gao (Gypsum Fibrosum) 15 g,Gan Cao (Radix Glycyrrhizae) 6 g,Fang Feng (Radix Saposhinkoviae) 9 g.

Explanation

Shi Gao: One of the principal drugs, being pungent and sweet in flavor and very cold in nature, clearing away accumulated heat in the spleen and stomach.

Zhi Zi: The other principal drug, being bitter in taste and cold in nature, removing heat retained in the spleen and stomach.

Fang Feng: Dispersing pathogenic fLre hidden in the spleen.

Huo Xiang: Being aromatic and promoting functioning of the spleen, assisting Fang Feng in dispersing heat in the spleen and stomach.

Gan Cao: Purging pathogenic rire, regulating the stomach, tempering the actions of all the other ingredients.

The Effect of Xiehuang San

Effect

Purging latent pathogenic fire in the spleen and stomach.

Indications

Syndrome due to latent pathogenic fire in the spleen and stomach, marked by aphthae, halitosis, restlessness, thirst, hungriness, dry mouth and lips, reddened tongue, and rapid pulse; including such diseases with the above symptoms as stomatitis and periodontitis.

Administrations

Decocted in water for oral dose to be taken twice (Taken originally in the form of powder)

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Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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