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清热解毒、凉血利咽，临床均用生品
内服煎汤9–15g；大剂量治疗时疫可用至30g。外用适量，煎水含漱或研末调敷。
本平台仅供学术参考，不构成医疗建议。
板蓝根含吲哚类（靛蓝、靛玉红）、表告依春及多糖，具有抗病毒、抗菌、抗内毒素及免疫调节作用；靛玉红曾被研究用于慢性粒细胞白血病。
Isatidis Radix contains indole compounds (indigo, indirubin), epigoitrin, and polysaccharides, with antiviral, antibacterial, anti-endotoxin, and immunomodulatory activity; indirubin has been studied as a treatment for chronic myelogenous leukemia.
Bensky 指出板蓝根是中国广泛使用的抗病毒清热解毒药，常与金银花、连翘配伍。
Bensky notes that Ban Lan Gen is widely used in China as an antiviral heat-clearing herb, commonly paired with jin yin hua and lian qiao.
陈氏药理学记载中国临床研究发现靛玉红对慢性粒细胞白血病有一定缓解作用，并是 GSK-3β 抑制剂研究的先导化合物。
Chen & Chen cite Chinese clinical research showing indirubin activity in CML, and its role as a lead compound for GSK-3β inhibitor development.
《中国药典》2020年版以表告依春作为板蓝根的含量测定指标。
The 2020 Chinese Pharmacopoeia uses epigoitrin as the quantitative marker for Ban Lan Gen.
本部分信息仅供学术参考，不构成医疗建议。
体虚无实火热毒者忌服。脾胃虚寒者慎用。
性寒味苦，不宜长期大量服用，可损伤脾胃阳气。现代报告偶见过敏反应及胃肠不适。非热毒证忌用，儿童用量宜减。
治时行疫疠，咽喉肿塞，兼治诸般热毒。
解毒利咽之品
@misc{bencaodian-ban-lan-gen,
author = {{Bencaodian Editorial}},
title = {Bǎn Lán Gēn 板蓝根 (Isatis Root) — Isatidis Radix},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/ban-lan-gen},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}