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The dried tuberous root of Stemona sessilifolia, S. japonica, or S. tuberosa (Stemonaceae). Enters the Lung channel. Sweet, bitter, and neutral, it moistens the Lung and stops cough regardless of whether the cough is acute or chronic, cold or hot, making it one of the most versatile antitussive herbs. Especially effective for consumptive cough and pertussis. Used externally to kill lice and parasites.
杀虫灭虱
增强润肺止咳之力
煎服3–10g。外用适量，煎汤洗或研末调敷。
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.
脾虚便溏者慎用（蜜炙品较安全）。热咳痰黄者不宜单用。
一般安全，蜜炙后刺激性降低。大剂量可致恶心。
味甘微温。主咳嗽上气。
下品
@misc{bencaodian-bai-bu,
author = {{Bencaodian Editorial}},
title = {Bǎi Bù 百部 (Stemona Root) — Stemonae Radix},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/bai-bu},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
百部含多种生物碱（百部碱、对叶百部碱），具有镇咳、抗菌、杀虫作用。
Stemona root contains multiple alkaloids (stemonine, tuberostemonine) with antitussive, antimicrobial, and insecticidal activities.
《中国药典》以百部碱为含量测定指标。
Chinese Pharmacopoeia uses stemonine as assay marker.
This section is provided for academic reference only and does not constitute medical advice.