Undigested food in a person’s stool is not generally a cause for concern. The body is not able to fully break down high-fiber foods, or foods with tough shells, such as sweetcorn. Consequently, these may pass v the digestive system unchanged.

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When undigested food in the stool is add by another adjust in bowel habits, weight loss, or diarrhea, this may signal one underlying problem that needs clinical attention.

In this article, we look at the various causes for undigested food to appear in stool and also when a person should watch their doctor.


There room some factors why food could not be totally digested that carry out not cause concern.

High-fiber foods


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Share ~ above PinterestCorn and beans are much more likely come be partially digested.
Fiber describes the indigestible part of plant foods.

When a human eats high-fiber foods, that is typical for some undigested material to appear in the stool due to the fact that the body cannot fully malfunction the tough material.

Fiber also accelerates a person’s bowel activities by including bulk to the stool, which urges the intestinal wall surfaces to move. This activity pushes food through the cradle tract.

If food moves too conveniently through the digestive system, the is an ext likely that some foods will it is in less fully digested.

Certain foodstuffs are an ext likely than others come be partly digested and also appear in the stool. These foods items include:

beansseedscornpeasvegetable skinsleafy greenscertain grainscarrotsraisinsnuts

Food such together corn is a common offender. Corn has actually an external shell do of one indigestible material dubbed cellulose. The body digests the product on the inside of the corn and expels the hard outer casing in the stool.

Eating too quickly

Another harmless culprit that undigested food showing up in stool is eating as well quickly. When a human eats too fast and swallows your food without completely chewing it, the food is an ext likely come pass v the digestive tract without being totally broken down.

Eating too quickly may pressure digestion come take ar too rapidly, i m sorry can an outcome in more food no being totally broken down. To prevent this, a person have the right to slow under their eating throughout meals and chew your food better.


While the many common reason of undigested food showing up in stool is fibrous foods, there room medical conditions that can an outcome in totality or partially digested food in the stool. In this cases, a person frequently notices other symptoms, such together diarrhea or stomach pain.

Medical problems that can cause undigested food to appear in the stool include:

Celiac disease. This is an autoimmune disorder where the human body cannot digest the protein well-known as gluten the is discovered in wheat, barley, and particular other grains.Pancreatic insufficiency. If a person has actually a pancreatic insufficiency, they absence enzymes in the pancreas, which leads to the inability to break food down.

A stomach bug, or gastrointestinal virus, may likewise cause undigested food in the stool as result of food passing easily through a person’s system. Various other symptoms that a stomach bug include:

bloatingabdominal crampingdiarrheavomitingnauseabody achesmalaise, or a basic feeling of gift unwell

In most cases of a stomach virus, symptoms will deal with in a few days as soon as the virus has actually passed.

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A human who notices a lot of undigested food in their stool need to not concern most the the time, together it is likely to be due to undigested fiber or eating as well quickly.

If who notices the following symptoms plus undigested food in their stool, they must see your doctor:

unexplained weight lossblood in stoolchanges in bowel habitsloss of control of bowelschronic diarrheapersistent ab pain or crampingpersistent bloating or gas

If a physician suspects that a person has a digestive device condition, they might order the adhering to diagnostic tests:

a stool sample come look for blood and also other abnormalities in the stoolblood tests to look for nutritional deficiencies or inflammation markerscolonoscopy to study the lower gastrointestinal tractbiopsy to examine for microscope inflammation