Edema-Alleviating Diuretics
Zhao Sheng Han Cai: Chinese Herb Guide

Name
Zhao Sheng Han Cai (Rorippae lslandicae Herba)
Sources
The drug is the dried whole herb of Rorippa islandica (()ed.)Borb. (family Cruciferae) , growing on mountain lands, roadsides and field sides, in rock sutures, wet places of ditches; distributed in Northeast, Northwest and Southwest of China.
The Effect of Zhao Sheng Han Cai
Actions
It is used to clear away heat and promote diuresis, to counteract toxicity and relieve swelling; for the treatment of edema, jaundice, gonorrhea,hydroperitoneum, sore throat, carbuncles, burns and scalds.
Dosage and Administrations
Decoct 6~15 g. Proper dosage is for external application, pounded for applying.
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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