Scientists are not sure what causes collagenous colitis or lymphocytic colitis. Bacteria and their toxins, or a virus, may be responsible for causing inflammation and damage to the colon. Some scientists think that collagenous colitis and lymphocytic colitis may result from an autoimmune response, which means that the body's immune system destroys healthy cells for no known reason.
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Collagenous Colitis and lymphocytic colitis are the inflammation of the colon or large intestine.read more
The prevalence of microscopic colitis is not clear but it is believed that 10 to 20 percent with chronic diarrhea may suffer from microscopic colitis.read more