Below is an x-ray and illustration of an actual large intestine (colon) with diverticula. Diverticula are the outward pouches in the large intestine, most often due to outward pressure on the intestinal walls (constipation). When these pouches rupture, the fluid flows into the body cavity and can be life threatening.

Although diverticula can form anywhere, including in your esophagus, stomach and small intestine, most occur in your large intestine. When one or several pouches becomes infected or inflamed the condition manifests as abdominal pain, fever, nausea and a marked change in your bowel habits.

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