| Scientific: | Rheum palmatum |
|---|---|
| Other: | Rhubarb, Da hung |
| Family: | Polygonaceae |
| Synonym: | Rheum rhabarbarum |
In TCM, cools blood and clears heat. Used for fevers, constipation, infectious diarrhea and skin conditions.
Gastrointestinal
• diarrhea (low dose) - antimicrobial and astringent actions helps control infection
• dysentery
• constipation (higher dose)
• sluggish bowels
Note: Considered less stimulating than senna and aloe.
Dermatologic
• herpes simplex virus (HSV)
• shingles
• Astringent
• Laxative (Stimulating)
• Stomachic
• Styptic
• Antimicrobial
• antiviral
• Bitter
• Anthraquinone (E.g. Rhein, Emodin, Aloe-Emodin)
• Tannins
• Flavonoids
• Tincture (1:5, 40% EtOH): 1-2 ml tid
• Decoction (root): 1/2 -1 tsp tid
Side-effects: Red urine (benign), constipation.
Long-term use: Hypokalemia.
Toxicity: Leaves are high in oxalic acid, which is toxic; may lead to kidney stones.
• Hypokalemic agents • caution taken it concomitantly with drugs and herbs that depleted potassium: antiarrhythmic drugs (e.g. quinine), cardiac glycoside (e.g. digitallis), diuretics, corticosteroids and licorice (Glycyrrhiza glabra).
Barnes J, Anderson LA, Phillipson JD. Herbal Medicines, 3rd ed. London: Pharmaceutical Press, 2007.
Bone K. Principles and Practice of Phytotherapy. Edinburgh: Churchill Livingstone, 2000.
Bone K. A Clinical Guide to Blending Liquid Herbs: Herbal Formulations for the Individual Patient. St Louis, MO: Churchill Livingstone, 2003.
Brinker F. The Toxicology of Botanical Medicines, 3rd ed. Sandy, Oregon: Eclectic Medical Publications, 2000.
Felter HW, Lloyd JU. King's American Dispensatory. 1898. http://www.ibiblio.org/herbmed/eclectic/kings/main.html. Accessed: August 19, 2006.
Hoffman D. Medical Herbalism. Rochester, Vermont: Healing Arts Press, 2003.
Weiss RF. Herbal Medicine. Beaconsfield, England: Beaconsfield Publishers Ltd, 1988.
Williamson EM, ed. Major Herbs of Ayurveda. Edinburgh: Churchill Livingstone, 2002
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