Diverticular disease is a common condition that affects the large intestine and is characterized by the formation of small pouches or diverticula in the intestinal wall. Most people with diverticulosis, the asymptomatic form of the disease, do not require treatment. However, those with diverticulitis, which involves inflammation or infection of the diverticula, may require antibiotics or surgery. Bleeding is also one of the complications of diverticular disease. Treatment depends on the severity of the bleeding.