Mucus is a rubber-like clear, white, or yellow substance. It can be produced by the mucus membrane of the large intestine or other organs.
Just about everyone passes stools with a little bit of mucus in their lives. A small amount of it is probably nothing to worry about. Chances are, this is a result of some temporary dietary or lifestyle change and the symptoms will go away on their own. Mucus looks very strange, but it is actually something your body needs to produce in order for food to come through the intestines more smoothly. It only becomes a concern if it begins to be a regular occurrence, and accompanied by other symptoms like bloody or black stools.
If you are allergic to some foods, that can cause inflammation along the digestive tract, which can possibly cause you to see an increased amount of mucus in your stools during defecation. If you experience this symptom, think back to your diet from the last few days. Did you consume any new or unusual foods? Did you drink too much caffeinated drinks or alcohol?
In case you do notice an increase in mucus accompanied with other symptoms like feeling tired or dizzy, seeing blood in your stools, bloating, increased gas, or pain in the abdominal area, you may want to seek help diagnosing what is causing this change in your bowel movements from a qualified healthcare professional.
Mucus in poop is typically a result of digestive or intestinal mucus (meant to lubricate and protect intestinal lining). In digestive diseases like Ulcerative Colitis or Crohns Disease intestinal mucus membrane becomes inflamed and develops ulcers. The bleeding ulcers cause overproduction of mucus that is excreted with poop.
Another cause of mucus poop is bowel obstruction due to constipation, or other digestive problems that cause blockage of the digestive tract such as colon polyps or Diverticulisis.
Poop mucus is not necessarily a cause for alarm, but should be mentioned to a doctor with any accompanying symptoms. The doctor can order a number of colon and poop tests to diagnose the root of the mucus.