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The dried tuberous root of Lindera aggregata (Lauraceae). Enters the Lung, Spleen, Kidney, and Bladder channels. Pungent and warm, it moves qi, disperses cold, and alleviates pain while additionally warming the Kidney and consolidating urine. Its representative formulas include Tian Tai Wu Yao San for cold-qi hernia pain and Suo Quan Wan for Kidney-yang vacuity enuresis and urinary frequency.
行气止痛、温肾散寒，为常用饮片
降低燥烈之性，和胃止痛
煎服6–10g。
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.
气虚及内热者慎用。孕妇慎用。
本品辛温香散，气血虚而无气滞或内热者不宜。孕妇慎用。现代研究毒性较低。
治小肠疝气，牵引脐腹疼痛，天台乌药、木香、小茴香（炒）、青皮（去白）、良姜（炒）各半两，槟榔二个，川楝子十个，巴豆七十粒，名天台乌药散。
@misc{bencaodian-wu-yao,
author = {{Bencaodian Editorial}},
title = {Wū Yào 乌药 (Lindera Root) — Linderae Radix},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/wu-yao},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
乌药主含倍半萜类成分（乌药烷、乌药内酯），具有行气止痛、温肾散寒及抗炎、解痉作用。
Lindera root contains sesquiterpenes (linderanes and linderalactones) with qi-moving analgesic, kidney-warming, anti-inflammatory and antispasmodic effects.
行气止痛、温肾散寒，常用于寒凝气滞诸痛及肾虚尿频。
Moves qi to relieve pain and warms the Kidney to disperse cold; commonly used for cold-stagnation pain and Kidney-deficient urinary frequency.
挥发油成分为其解痉及胃肠调节作用的主要活性来源。
Its essential oil sesquiterpenes are considered the main active components for antispasmodic and GI-regulating effects.
This section is provided for academic reference only and does not constitute medical advice.