it’s not a bad idea to do more research if you see mucus in your stool. Some causes are short-lived and may resolve on their own, like if you have had a bout of diarrhea or constipation.

Possible reasons for rectal discharge or leakage of stool include an infection, cancer, rectal prolapse, an abscess, a fistula, or hemorrhoids. A person may notice mucus in their stool.