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活血行气之力较强
增强行气止痛之功，醋制后生物碱易溶出，止痛效果显著增强，为临床常用品
煎服常用3–10g；研末吞服每次1.5–3g。止痛以醋制品为佳。
本平台仅供学术参考，不构成医疗建议。
延胡索主含异喹啉类生物碱，其中四氢帕马丁（罗通定）通过阻断多巴胺 D2 受体发挥中枢性镇痛作用，无成瘾性，是其活血行气止痛功效的物质基础。
Corydalis contains isoquinoline alkaloids; tetrahydropalmatine (rotundine) is the principal central analgesic, acting through dopamine D2 receptor blockade without addiction liability, providing the pharmacological basis for its blood-invigorating, qi-moving pain-relieving action.
罗通定片收录于《中国药典》，为非成瘾性中枢镇痛药。
Rotundine tablets are listed in the Chinese Pharmacopoeia as a non-addictive central analgesic.
Chen & Chen 引述中国多项临床研究证实四氢帕马丁镇痛疗效可达吗啡 40%。
Chen & Chen cite multiple Chinese clinical studies showing THP analgesia reaches roughly 40% the potency of morphine.
Bensky 称延胡索为『活血行气止痛之良药』，现代研究与传统经验相印证。
Bensky calls Yan Hu Suo a superb blood-invigorating, qi-moving analgesic, with modern research corroborating classical experience.
本部分信息仅供学术参考，不构成医疗建议。
孕妇禁用。血热气虚及月经先期、血崩者忌用。
孕妇禁用。现代药理研究显示含延胡索乙素等生物碱，具明显镇痛作用，但大剂量可致嗜睡、眩晕等。醋制可增强止痛效果并降低副作用。
延胡索能行血中气滞，气中血滞，故专治一身上下诸痛。
正文
@misc{bencaodian-yan-hu-suo,
author = {{Bencaodian Editorial}},
title = {Yán Hú Suǒ 延胡索 (Corydalis Rhizome) — Corydalis Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/yan-hu-suo},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}