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截疟力最强，古法以鲜品绞汁服用，现代研究证实其抗疟有效成分青蒿素不耐高温，鲜品绞汁或冷浸保存药力最佳
清透虚热、凉血除蒸，入汤剂宜后下，煎煮时间不宜超过10分钟，以免青蒿素及挥发油损失
内服煎汤6–12g，不宜久煎；治疟疾可用至20–40g，宜鲜品绞汁服或后下，以免其有效成分青蒿素因高温久煎而破坏。
本平台仅供学术参考，不构成医疗建议。
青蒿含倍半萜内酯青蒿素及其衍生物，为当代抗恶性疟疾一线药物的原型，屠呦呦团队因此于 2015 年获诺贝尔生理学或医学奖。
Artemisia annua yields the sesquiterpene lactone endoperoxide artemisinin and its derivatives, prototype of frontline antimalarials for Plasmodium falciparum; Tu Youyou's team received the 2015 Nobel Prize in Physiology or Medicine for this discovery.
WHO 推荐青蒿素为基础的联合疗法 (ACT) 为无并发症恶性疟疾的首选治疗。
WHO recommends artemisinin-based combination therapy (ACT) as first-line treatment for uncomplicated P. falciparum malaria.
Bensky 记载青蒿素遇热易破坏，故传统煎煮难显抗疟作用，屠呦呦团队采用低温乙醚提取。
Bensky notes that artemisinin is heat-sensitive and traditional decoction largely destroys it; Tu Youyou's team used cold ether extraction.
Chen & Chen 综述青蒿素通过血红素催化产生自由基破坏疟原虫膜结构。
Chen & Chen summarize that artemisinin exerts antimalarial action via heme-catalyzed free radicals that damage Plasmodium membranes.
本部分信息仅供学术参考，不构成医疗建议。
苦寒，脾胃虚寒者慎用。产后血虚、内寒腹泻者忌服。
煎煮须注意：本品含青蒿素等不耐热成分，久煎则有效成分大量损失，故应后下或鲜品绞汁服用。苦寒性质易伤脾胃，脾虚便溏者慎用。孕妇慎服。过量可致恶心、腹痛。
夜热早凉，热退无汗，热自阴来者，青蒿鳖甲汤主之。
退虚热之品
@misc{bencaodian-qing-hao,
author = {{Bencaodian Editorial}},
title = {Qīng Hāo 青蒿 (Sweet Wormwood) — Artemisiae Annuae Herba},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/qing-hao},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}