In some cases, the elderly are at risk of fecal incontinence, while others are less dangerous, depending on the cause of fecal incontinence, as follows: 1. 2, not dangerous: If the incontinence is caused by excessive relaxation of the anal sphincter, it is not dangerous, but if the symptom exists for a long time, it may lead to local infection or decubitus ulcers, and it is necessary to improve the relevant examination as soon as possible and give the corresponding treatment. This disease usually needs to be examined and treated by cranial surgery or neurology.