哪些原因会导致大便细长?我应该担心吗?
回答 Elizabeth Rajan, M.D.
大便偶尔变细可能无害。但在某些情况下,大便变细、尤其是像铅笔那样细,可能是结肠狭窄或梗阻的体征。这可能是由于结肠癌引起。
肠易激综合征(IBS)也可能引起大便体积变化。IBS 可能导致大便比常态更小、更大或更窄。还可能引起大便黏稠度的变化。
如果您注意到大便外观出现任何持续时间超过 1 至 2 周的变化,请咨询医疗护理专业人员。如果您的大便变化伴有直肠出血或剧烈腹痛,请立即咨询医生。
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Elizabeth Rajan, M.D.
显示参考文献
- Townsend CM Jr, et al. Colon and rectum. In: Sabiston Textbook of Surgery: The Biological Basis of Modern Surgical Practice. 21st ed. Elsevier; 2022. https://www.clinicalkey.com. Accessed Nov. 1, 2023.
- Irritable bowel syndrome (IBS). Merck Manual Professional Version. https://www.merckmanuals.com/professional/gastrointestinal-disorders/irritable-bowel-syndrome-ibs/irritable-bowel-syndrome-ibs. Accessed Nov. 1, 2023.
- Do I have colorectal cancer? Signs, symptoms and work-up. American Cancer Society. https://www.cancer.org/cancer/latest-news/signs-and-symptoms-of-colon-cancer.html. Accessed Nov. 1, 2023.
Jan. 11, 2024Original article: https://www.mayoclinic.org/zh-hans/narrow-stools/expert-answers/faq-20057781