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The dried ripe seed of Areca catechu (Arecaceae). Enters the Stomach and Large Intestine channels. Bitter, pungent, and warm, it is the foremost antiparasitic herb, with particular efficacy against tapeworms when combined with nan gua zi (pumpkin seed). It also moves qi, promotes urination, disperses accumulation, and interrupts malarial attacks. Featured in Da Yuan Yin and Mu Xiang Bing Lang Wan.
力猛，长于驱虫、消积、截疟，多用于绦虫、食积气滞重证
药性缓和，减其辛烈之性，多用于脾胃虚弱而需行气消积者
长于消食导滞，多用于食积不化、泻痢后重
常规消积行气3–10g；驱绦虫、姜片虫需大剂量30–60g，清晨空腹煎服，配伍南瓜子。
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.
脾虚便溏、气虚下陷者忌服。孕妇慎用。不宜与人参、麦冬等补气养阴药同用时过量。古有“槟榔耗气”之说，长期大量服用有损正气。
含槟榔碱有拟副交感神经作用，过量可致流涎、呕吐、心悸、腹痛、瞳孔缩小。现代研究证实槟榔果有致癌性（口腔癌），但药用槟榔煎剂经过炮制及煎煮，其安全性与长期咀嚼生果不同，仍应限量使用、不宜长服。
《名医别录》载其主消谷逐水，除痰澼，杀三虫，去伏尸，治寸白。
@misc{bencaodian-bing-lang,
author = {{Bencaodian Editorial}},
title = {Bīng Láng 槟榔 (Areca Seed) — Arecae Semen},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/bing-lang},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
槟榔的主要活性成分为槟榔碱（一种毒蕈碱受体激动剂），具有驱虫（尤其绦虫及姜片虫）、增强胃肠蠕动及缩瞳作用；长期嚼食与口腔黏膜病变及口腔癌相关。
Arecae Semen contains arecoline, a muscarinic agonist, with taenicidal (especially for tapeworm and Fasciolopsis), prokinetic, and miotic effects; long-term betel chewing is linked to oral submucous fibrosis and oral cancer.
《中药学》（Bensky）记载槟榔配伍南瓜子治疗绦虫病的方案在中国临床长期使用，驱虫率较高。
Bensky documents the Bing Lang–pumpkin seed combination as a long-standing and effective Chinese clinical protocol for tapeworm expulsion.
陈氏药理学提到槟榔碱过量可致流涎、恶心、心动过缓及呼吸困难，儿童、孕妇及消化道溃疡者慎用。
Chen & Chen note that arecoline overdose can cause salivation, nausea, bradycardia, and dyspnea; contraindicated in children, pregnancy, and GI ulcer disease.
《草药禁忌》（Brinker）指出嚼食槟榔为 IARC 认定的人类一级致癌物，与口腔黏膜下纤维化及口腔癌相关。
Brinker notes that betel-quid chewing is classified by IARC as a Group 1 human carcinogen, causally linked to oral submucous fibrosis and oral cancer.
This section is provided for academic reference only and does not constitute medical advice.