Blood-Activating and Menstruation-Regulating Herbs
Cong Zhi Liao: Chinese Herb Guide

Name
Cong Zhi Liao (Herba Polygoni Caespitosi)
Sources
The drug is the dried or fresh entise herb of Polygonum caespitosum BL. (family Polygonaceae), growing in woods, roadsides or along creek, and distributed chiefly in Middle southern China, East China and Shanxi, Gansu, Sichuan, Yunnan, Guizhou.
Constituents
It contains flavonoids.
The Effect of Cong Zhi Liao
Property
Pungent, neutral.
Actions
Clear heat and dry dampness, strengthen the spleen and treat infantile malnutrition, activate blood and regulate the menstruation, remove toxicity and relieve swelling.
Indications
Ringworm of the foot, eczema, irregular menstruation, traumatic injuries, snake and insect bites, infantile malnutrition, diarrhea and dysentery.
Dosage and Administrations
Decoct 15~30 g. Proper dosage is for external application, pounded for applying or decocted for washing.
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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