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养血敛阴，平肝止痛之力较强
药性和缓，养血和营，多用于脾虚泄泻
减其寒性，善于和中缓急，调经止痛
养血柔肝常用6–15g；平肝止痛、敛阴止汗可用至15–30g；大剂量缓急止痛可用30g以上。
For educational reference only — not medical advice.
白芍的主要活性成分为单萜苷类（芍药苷、芍药内酯苷），具有解痉止痛、抗炎、免疫调节及保肝作用；芍药甘草汤的镇痛机制主要归功于芍药苷。
Principal constituents of Paeoniae Radix Alba are monoterpene glycosides (paeoniflorin, albiflorin), with antispasmodic, analgesic, anti-inflammatory, immunomodulatory, and hepatoprotective activity; paeoniflorin largely accounts for the analgesic effect of Shaoyao Gancao Tang.
Bensky 引用中国临床研究，白芍总苷（TGP）已作为处方药用于类风湿关节炎的辅助治疗。
Bensky cites Chinese clinical trials showing total glucosides of paeony (TGP) used as adjunct therapy for rheumatoid arthritis.
陈氏药理学指出白芍与甘草配伍（芍药甘草汤）具有协同的解痉止痛作用，对平滑肌和骨骼肌痉挛均有效。
Chen & Chen note the synergistic antispasmodic effect of Bai Shao with Gan Cao (Shaoyao Gancao Tang) on both smooth and skeletal muscle.
《中国药典》2020年版规定白芍按芍药苷（C23H28O11）计含量不得少于1.6%。
The 2020 Chinese Pharmacopoeia specifies that Bai Shao must contain not less than 1.6% paeoniflorin (C23H28O11).
This section is provided for academic reference only and does not constitute medical advice.
不宜与藜芦同用（十八反）。阳衰虚寒之证及中寒腹痛泄泻者慎用。
性微寒而酸敛，虚寒证及中寒腹痛泄泻者慎服。与藜芦相反，不可同用。现代研究未见明显毒性，但长期大量使用应注意配伍。
味苦，平。主邪气腹痛，除血痹，破坚积，寒热疝瘕，止痛，利小便，益气。
中品
@misc{bencaodian-bai-shao,
author = {{Bencaodian Editorial}},
title = {Bái Sháo 白芍 (White Peony Root) — Paeoniae Radix Alba},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/bai-shao},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}