A painful swelling or infection in one or more small pouches in the digestive tract.
Diverticulitis is an inflammation or infection in one or more small pouches, called diverticula, in the digestive tract. It's common after age 50.
Symptoms include belly pain, fever, nausea and a change in bowel habits.
Treatment can include rest, a liquid or low-fiber diet, and antibiotics. Serious cases may need hospital care and surgery.