大便失禁

例句：

1. 1. After a heavy meal, he often experiences diarrhea and incontinence.
   一顿大餐后，他经常腹泻和失禁。
2. 2. The patient was diagnosed with constipation and required dietary changes.
   这位病人被诊断为便秘，需要改变饮食习惯。
3. 3. Incontinence can be caused by a variety of factors, including age, medication, or underlying medical conditions.
   失禁可以由多种因素引起，包括年龄、药物或潜在的医疗状况。