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清热泻火、除烦止渴，用于气分实热证
收湿敛疮、生肌止血，外用为主
内服宜先煎15–60g，大剂量可用至120–250g（治温热病高热）；外用适量，煅研末敷患处
本平台仅供学术参考，不构成医疗建议。
石膏为含水硫酸钙矿物药，具有解热、抗炎、镇静作用，主治阳明气分大热。
Gypsum (hydrated calcium sulfate) is a mineral drug with antipyretic, anti-inflammatory and mild sedative effects, principally used for yangming-qi level high heat.
清热泻火、除烦止渴，为白虎汤君药。
Clears heat, drains fire, and relieves thirst; sovereign herb in Bai Hu Tang.
《中国药典》规定生石膏含CaSO4·2H2O不得少于95.0%，煅石膏供外用收湿敛疮。
The Chinese Pharmacopoeia specifies not less than 95.0% CaSO4·2H2O in raw gypsum; calcined gypsum is for external astringent use.
本部分信息仅供学术参考，不构成医疗建议。
脾胃虚寒及阴虚内热者忌用。
生石膏大寒，脾胃虚寒者忌内服。用量过大可损伤阳气。煅石膏不宜内服，仅供外用。
味辛，微寒。主中风寒热，心下逆气惊喘，口干舌焦不能息，腹中坚痛，除邪鬼，产乳金疮。
中品
@misc{bencaodian-shi-gao,
author = {{Bencaodian Editorial}},
title = {Shí Gāo 石膏 (Gypsum) — Gypsum Fibrosum},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/shi-gao},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}