of the mucous membranes. It also causes ulcers (small sores) that can bleed and produce pus that appears as rectal discharge.

It may be blood-tinged, too. There's some evidence to suggest that mucus in the colon, where stool passes, may help to ...

Several conditions can cause increased amounts of mucus in the stool. These include infection, irritable bowel syndrome, Crohn's disease, ulcerative colitis, proctitis, food sensitivity ...