消化性溃疡：指发生在胃或十二指肠等部位、因胃酸/胃蛋白酶等消化液作用而形成的溃疡性损伤。常见原因包括幽门螺杆菌感染与长期使用非甾体抗炎药（NSAIDs）等。（更广义相关概念常称 peptic ulcer disease，消化性溃疡病。）
/ˈpɛptɪk ˈʌlsər/
peptic 来自希腊语 peptikos，意为“与消化有关的”；ulcer 源自拉丁语 ulcus，意为“溃疡、疮”。合起来字面意思就是“消化相关的溃疡”。
He was diagnosed with a peptic ulcer.
他被诊断为消化性溃疡。
Because she took NSAIDs for months, the doctor warned that she might develop a peptic ulcer and recommended an endoscopy.
由于她连续数月服用非甾体抗炎药，医生警告她可能出现消化性溃疡，并建议做胃镜检查。
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