Condition | Reason |
---|---|
Three or more attacks of mild diverticulitis (or one attack in someone younger than 50) | High risk of serious complications |
Narrowing of the sigmoid colon (lower part of the large intestine) due to scarring | High risk of serious complications |
Persistent tender mass in the abdomen | May be cancer |
Endoscopy or x-rays showing suspicious changes in the sigmoid colon | May be cancer |
Pain when urinating (dysuria) or air in the urine (pneumaturia) | May be a warning of impending fistula formation between the large intestine and the bladder |
Sudden abdominal pain in people taking corticosteroids | Large intestine may have ruptured into the abdominal cavity |