Bistort is one of the most strongly astringent of all herbs and it is used to contract tissues and staunch blood flow. The root is powerfully astringent, demulcent, diuretic, febrifuge, laxative and strongly styptic. It is gathered in early spring when the leaves are just beginning to shoot, and then dried. It is much used, both internally and externally, in the treatment of internal and external bleeding, diarrhoea, dysentery, cholera etc. It is also taken internally in the treatment of a wide range of complaints including catarrh, cystitis, irritable bowel syndrome, peptic ulcers, ulcerative colitis and excessive menstruation. Externally, it makes a good wash for small burns and wounds, and is used to treat pharyngitis, stomatitis, vaginal discharge, anal fissure etc. A mouth wash or gargle is used to treat spongy gums, mouth ulcers and sore throats. The leaves are astringent and have a great reputation in the treatment of wounds. In Chinese medicine the rhizome is used for: epilepsy, fever, tetanus, carbuncles, snake and mosquito bites, scrofula and cramps in hands and feet. Considered useful in diabetes. Source: https://pfaf.org/
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