Prescription for Clearing away Summer-heat by Expelling Pathogenic Heat
Yiyuan San: Classic TCM Formula
Name
Yi Yuan San
Actions
Clear summer-heat and promote diuresis.
The Prescription of Yiyuan San
The Effect of Yiyuan San
Indications
Summer-heat and dampness, scanty dark urine, dysphoria, inclination to drinking due to thirst.
Dosage and administration
Decoct 6 g. It should be wrapped during decocting.
Contraindication
It is contraindicated to pregnant women.
Notes for Yiyuan San
Origin
It is a mixture of Hua Shi, Gan Cao and Zhu Sha.
This entry follows the standard reference format. How to read a TCM entry explains what each heading means and how the terminology works. Not medically reviewed and not medical advice — see the medical disclaimer.
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.
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