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活血调经、利水消肿、清热解毒之力较强
便于妇科长期服用，调经止痛作用持久
煎服常用9–30g；鲜品可用至12–40g；外用适量捣敷或煎汤外洗。大剂量(30–60g)可用于顽固性水肿。
For educational reference only — not medical advice.
益母草主含益母草碱和水苏碱，具有兴奋子宫、改善微循环、利尿、保护心肌等作用，为活血调经、利水消肿的药理依据。
Leonurus contains leonurine and stachydrine, producing uterotonic, microcirculation-improving, diuretic and cardioprotective effects that underlie its blood-invigorating, menstruation-regulating and edema-reducing actions.
《中国药典》以盐酸水苏碱为含量测定指标，益母草注射液用于产后出血。
The Chinese Pharmacopoeia uses stachydrine hydrochloride as an assay marker; Yi Mu Cao injection is used for postpartum hemorrhage.
Chen & Chen 引述益母草碱收缩子宫作用明确，孕妇禁用。
Chen & Chen note leonurine's clear uterotonic activity; contraindicated in pregnancy.
This section is provided for academic reference only and does not constitute medical advice.
孕妇禁用。血虚无瘀者及阴虚血少者忌用。
孕妇禁用，有明确兴奋子宫、促进宫缩作用。大剂量或久服可致肾损害，不宜长期超量服用。现代药理显示含益母草碱，对肾脏有一定毒性。
味辛，微温。主瘾疹痒，可作浴汤。一名益母，一名益明，一名大札。生池泽。
上品
@misc{bencaodian-yi-mu-cao,
author = {{Bencaodian Editorial}},
title = {Yì Mǔ Cǎo 益母草 (Chinese Motherwort) — Leonuri Herba},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/yi-mu-cao},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}