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清热除烦、利尿通淋
煎服6–10g；鲜品加倍。本品为禾本科淡竹叶属植物，与竹类植物（竹叶、竹茹）来源不同，须严格区分。
For educational reference only — not medical advice.
淡竹叶主含C-糖苷黄酮（牡荆素、荭草素）、三萜类及钾盐，药理示其利尿、解热与抗氧化作用，临床用于热病烦渴及热淋涩痛。
Lophatherum contains C-glycosyl flavonoids (vitexin, orientin), triterpenoids and potassium salts; pharmacology shows diuretic, antipyretic and antioxidant effects, clinically used for febrile vexation-thirst and heat-lin dysuria.
《中国药典》规定淡竹叶来源为禾本科淡竹叶 Lophatherum gracile 的干燥茎叶，与竹类植物区别。
Chinese Pharmacopoeia specifies Dan Zhu Ye as Lophatherum gracile (Poaceae), distinct from true bamboo species.
Bensky 将淡竹叶列入清热泻火药，强调与竹叶（Phyllostachys）及竹茹来源不同，不可混淆。
Bensky classifies Dan Zhu Ye among heat-clearing fire-draining herbs and emphasizes it is not the same plant as Zhu Ye (Phyllostachys leaves) or Zhu Ru.
This section is provided for academic reference only and does not constitute medical advice.
无实热及阴虚火旺者不宜。孕妇及体虚无热者慎用。本品与竹茹（zhu_ru，竹秆中间层）来源不同，不可混淆。
【辨识要点】本品为禾本科淡竹叶属多年生草本 Lophatherum gracile 的干燥茎叶，与真正的竹类（禾本科竹亚科）植物来源不同，不可与竹叶（鲜竹叶，Phyllostachys spp. 叶）或竹茹（zhu_ru，竹类茎秆中间层）混淆。现代药典明确区分三者。
淡竹叶，处处原野有之，春生苗，高数寸，细茎绿叶，俨如竹米落地所生，其根一窠十数须，须上结子。味甘、淡，性寒，能清心火，利小便。
草部
@misc{bencaodian-dan-zhu-ye,
author = {{Bencaodian Editorial}},
title = {Dàn Zhú Yè 淡竹叶 (Lophatherum Stem and Leaves) — Lophatheri Herba (Lophatherum gracile)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/dan-zhu-ye},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}