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The dried root of Sophora flavescens (Fabaceae). Cold and bitter, entering the Heart, Liver, Stomach, Large Intestine, and Bladder channels. Excels at clearing heat, drying dampness, killing parasites, and stopping itch. Taken internally for damp-heat dysentery and jaundice, applied externally for eczema, scabies, and fungal infections.
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
味苦，寒。主心腹结气，癥瘕积聚，黄疸，溺有余沥，逐水，除痈肿，补中明目止泪。
中品
@misc{bencaodian-ku-shen,
author = {{Bencaodian Editorial}},
title = {Kǔ Shēn 苦参 (Sophora Root) — Sophorae Flavescentis Radix},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/ku-shen},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
苦参富含苦参碱类喹诺里西啶生物碱和异戊烯基黄酮，具抗心律失常、抗肿瘤、抗炎及杀虫作用。
Ku Shen contains matrine-type quinolizidine alkaloids and prenylated flavonoids with antiarrhythmic, antineoplastic, anti-inflammatory, and antiparasitic activities.
苦参苦寒，清热燥湿，杀虫利尿。
Bitter-cold; clears heat, dries dampness, kills parasites, and promotes urination.
苦参碱具抗心律失常、抑制肿瘤细胞生长作用。
Matrine exhibits antiarrhythmic activity and inhibits tumor cell proliferation.
This section is provided for academic reference only and does not constitute medical advice.