Diverticulitis: Symptoms, Treatment, Diet, Foods to Eat and Avoid, and Recovery

What Is Diverticulitis? Diverticulitis is a digestive condition that occurs when small pouches, known as diverticula, develop inflammation in the wall of the large intestine. Depending on the severity, it may cause abdominal pain, fever, nausea, changes in bowel movements, and other digestive symptoms.