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Human hair processed by charring (Homo sapiens). Enters the Liver and Stomach channels. Bitter and neutral, it astringes and stops bleeding while also transforming stasis and promoting urination, thus stopping bleeding without retaining stasis.
止血化瘀
煎服5–10g。研末服每次1.5–3g。外用适量。
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.
胃弱者慎用（有特殊气味）。
常规剂量安全。气味特殊，部分患者可能难以接受。
发髲味苦，温。主五癃，关格不通，利小便水道。
@misc{bencaodian-xue-yu-tan,
author = {{Bencaodian Editorial}},
title = {Xuè Yú Tàn 血余炭 (Charred Human Hair) — Crinis Carbonisatus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/xue-yu-tan},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
血余炭经煅炭后含碳和碳酸钙等成分，具局部止血和轻度利尿作用。
After charring, Xueyu Tan contains carbon and calcium carbonate with local hemostatic and mild diuretic effects.
《中国药典》收载血余炭。
Chinese Pharmacopoeia lists Xueyutan.
This section is provided for academic reference only and does not constitute medical advice.