<unk> , is one of the two conditions that make up diverticular disease, which affects the colon.<unk>  occurs when pouches, called diverticula, form in the colon. These pouches bulge out like weak spots in a tire. The second condition, diverticulitis occurs if the pouches become inflamed and irritated.
Diverticulosis
Pseudomembranous colitis
Chemical colitis
Ischemic colitis
Allergic colitis
Drug-induced colitis
Ulcerative colitis
Microscopic colitis