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长于平肝潜阳、软坚散结
收敛固涩与制酸止痛作用增强
煎服15–30g，宜打碎先煎；制酸止痛宜煅用研末冲服每次1–3g。
For educational reference only — not medical advice.
牡蛎壳主含碳酸钙及微量元素，具中和胃酸、镇静安神、软坚散结及收敛固涩作用。
Oyster shell is chiefly calcium carbonate with trace minerals, providing antacid, sedative, soften-hardness, and astringent effects.
碳酸钙中和胃酸并具吸附收敛作用；煅牡蛎钙溶解度高。
Calcium carbonate neutralizes gastric acid and has adsorbent-astringent action; calcined oyster shell has higher calcium solubility.
牡蛎平肝潜阳、重镇安神、软坚散结，煅用敛汗涩精。
Anchors liver yang, calms spirit, softens hardness; calcined form astringes sweat and essence.
与四环素、喹诺酮等药物同服可降低吸收，应间隔 2 小时。
Calcium may reduce absorption of tetracyclines and fluoroquinolones — separate dosing by at least 2 hours.
《中国药典》以碳酸钙含量（不少于 94.0%）为质量指标。
Chinese Pharmacopoeia specifies calcium carbonate content (≥94.0%) as the quality marker.
This section is provided for academic reference only and does not constitute medical advice.
虚而有寒、肾虚无火、精寒自出者忌用。质重碍胃，脾胃虚弱者久服宜配健脾和胃之品。
海洋贝壳类矿物药，含碳酸钙，长期大量服用宜监测胃肠功能及钙代谢。过敏体质者少数可见海产品过敏反应。
味咸，平。主伤寒寒热，温疟洒洒，惊恚怒气，除拘缓鼠瘘，女子带下赤白。久服强骨节，杀邪鬼，延年。
上品
@misc{bencaodian-mu-li,
author = {{Bencaodian Editorial}},
title = {Mǔ Lì 牡蛎 (Oyster Shell) — Ostreae Concha},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/mu-li},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}