粪便中有未消化的食物：这意味着什么？

过去几天，我注意到粪便中有未消化的食物。我是否应该担心？

回答 Sahil Khanna, M.B.B.S., M.S.

有时，粪便中可能会有未消化的食物残渣，通常是高纤维植物质，一般无法在消化道中被分解和吸收。有时，粪便中出现未消化的食物提示咀嚼不良和进食较快。确保充分咀嚼食物。

除非伴有持续腹泻、体重减轻或其他排便习惯改变，否则粪便中有未消化的食物亦无须担心。如有上述体征和症状，请咨询医疗服务提供者。

With

Sahil Khanna, M.B.B.S., M.S.

McPherson RA, et al., eds. Laboratory diagnosis of gastrointestinal and pancreatic disorders. In: Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Elsevier; 2022. https://www.clinicalkey.com. Accessed Jan. 6, 2022.
Quick CRG, et al., eds. Nonacute abdominal pain and other abdominal symptoms and signs. In: Essential Surgery: Problems, Diagnosis and Management. 6th ed. Elsevier Limited; 2020. https://www.clinicalkey.com. Accessed Jan. 6, 2022.
Khanna S (expert opinion). Mayo Clinic. Jan. 8, 2022.

Oct. 12, 2023