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The dried ripe fruit of Quisqualis indica (Combretaceae). Enters the Spleen and Stomach channels. Sweet and warm, it is the principal herb for expelling roundworms, especially suitable for pediatric ascariasis and nutritional impairment (gan ji). Its sweet flavor and pleasant aroma make it well-accepted by children, and chewing the raw seeds is effective, which accounts for its frequent appearance in pediatric formulas across dynasties.
力专，但易致呃逆、恶心，多入汤剂打碎先煎
香气增加，便于嚼服，减其副作用，多用于小儿驱虫及疳积
成人一次用量9–12g，打碎入煎；炒香嚼服每次3–5g，一日3次。小儿按年龄每岁1.0–1.5粒，每日总量不超过20粒。
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
不宜与热茶同服，服用后饮茶易致呃逆、眩晕、呕吐、腹泻等反应。大量服用可致呃逆、呕吐、眩晕。脾胃虚寒甚者慎用。
主要成分为使君子氨酸钾，过量服用（超过20粒/日）可致呃逆、眩晕、呕吐、腹泻，严重者呼吸困难。切忌与热茶同服，易引发不良反应。小儿慎用，按体重/年龄严格计量。
《开宝本草》载：主小儿五疳，小便白浊，杀虫，疗泻痢。《太平惠民和剂局方》以之为君药制使君子丸治小儿诸疳诸虫。
@misc{bencaodian-shi-jun-zi,
author = {{Bencaodian Editorial}},
title = {Shǐ Jūn Zǐ 使君子 (Rangoon Creeper Fruit) — Quisqualis Fructus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/shi-jun-zi},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
使君子主含使君子氨酸及其钾盐，具有驱蛔虫、驱蛲虫作用。
Quisqualis fruit contains quisqualic acid and its potassium salt, acting as an ascaricidal and anthelmintic agent.
杀虫消积，主治蛔虫腹痛及小儿疳积，过量或与热茶同服易致呃逆。
Kills parasites and reduces food stagnation; overdose or combination with hot tea often causes hiccups.
使君子氨酸为已知AMPA受体激动剂，是神经药理学重要工具化合物。
Quisqualic acid is a well-characterized AMPA receptor agonist used as a neuropharmacology tool compound.
This section is provided for academic reference only and does not constitute medical advice.