Merck Manual

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Complications of Diverticulitis
Some Complications of Diverticulitis
Complications of Diverticulitis

If a diverticulum ruptures, the contents of the intestine, including bacteria and blood, spill into the abdominal cavity, often causing infection. An abnormal channel (fistula) may form between the large intestine and another organ, usually when a diverticulum that touches another organ ruptures.

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Diverticulitis Diverticulitis