Heat-Clearing and Blood-cooling Herbs
Bo Ye Da Huang (Radix et Rhizoma Rhei Undulati)
Name
Bo Ye Da Huang (Radix et Rhizoma Rhei Undulati)
Sources
The drug is the dried root and rhizome of Rheum undulatum L. (family Polygonaceae), growing in grassland on mountain slopes, and distributed chiefly in Qinhai, Gansu, Shaanxi of China.
The Effect of Bo Ye Da Huang
Property
Bitter, cold; stomach and large intestine meridians entered.
Actions
It is used as purgative for the treatment of constipation of heat type, jaundice due to heat and dampness, sores, carbuncles, burns and scalds.
Dosage and Administrations
Decoct 3~10 g, or made into powder for oral taking. Proper dosage is for external application, pounded for applying.
Contraindication
It is contraindicated to pregnant women and the weak.
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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