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The dried leaflets of Cassia angustifolia or C. acutifolia (Fabaceae). Enters the Large Intestine channel. Bitter and cold with a descending nature, it is a key herb for treating heat-bound constipation through its strong purgative action.
后下或泡服。缓下用1.5–3g，攻下用5–10g
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.
番泻叶味甘苦性寒，泻热行滞通便，近代多用治热结便秘。
近代入药
@misc{bencaodian-fan-xie-ye,
author = {{Bencaodian Editorial}},
title = {Fān Xiè Yè 番泻叶 (Senna Leaf) — Sennae Folium},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/fan-xie-ye},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
番泻叶主含番泻苷类二蒽酮苷，经肠道菌转化为大黄酸蒽酮，刺激结肠蠕动产生缓泻。
Fan Xie Ye contains sennosides (dianthrone glycosides) that are activated by colonic microbiota to rheinanthrone, stimulating colonic motility for laxative effect.
WHO 专论列番泻叶用于短期便秘治疗，长期使用可致电解质紊乱。
WHO monograph lists Senna for short-term constipation; chronic use may cause electrolyte imbalance.
番泻叶长期使用致结肠黑变病、钾丢失；孕妇哺乳期及严重电解质紊乱者禁用。
Prolonged Senna use causes melanosis coli and potassium depletion; contraindicated in pregnancy, lactation, and severe electrolyte imbalance.
This section is provided for academic reference only and does not constitute medical advice.