Diverticulitis (diverticular disease, diverticulosis) is a digestive condition that occurs when the diverticula in the colon become infected and inflamed. Diverticulitis symptoms include abdominal pain and cramping, diarrhea, and rectal bleeding. A diet that includes nuts, seeds, and corn may cause diverticulitis flares. To prevent flares, eat a diet rich in fruits, vegetables, beans, and …

