Colitis is an inflammation of the wall of the mucous membrane of the large intestine, which can be either an independent disease or a pathological symptom of another disease. There are acute and chronic forms of colitis. Acute colitis can result from an infectious, ischemic, or drug-induced lesion of the colon mucosa. The chronic process occurs as a result of pathological changes in the mucous membrane, provoked by prolonged inflammation and tissue dystrophy