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Polygoni Runcinati Herba
Lobed leaf knotweed
赤胫散 〔赤脛散〕 chì jìng sǎn
Kingdom: Plant
Origin in unofficial sources: Polygonum runcinatum Buch.-Ham.; Polygonum runcinatum Buch.-Ham. var. sinense Hemsl.
Use: Medicinal
Properties: Sour, bitter, and slightly acrid; cold; nontoxic*.
Actions and indications: Clears heat and resolves toxin; quickens the blood and disperses swelling. Treats dysentery; vaginal discharge; blood-heat headache; flooding and spotting; amenorrhea; mammary welling-abscesses (rǔ yōng);
Dosage and method: Oral: Decoct (9–15g dried, 15–30g fresh). Topical: Apply crushed.
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