The American journal of gastroenterology
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There has been concern in the literature and among physicians and patients that milk intolerance may contribute to disease activity in ulcerative colitis. We sought to define whether patients with ulcerative colitis have problems with milk tolerance. ⋯ There are common misperceptions among physicians and patients about lactose intolerance in ulcerative colitis. Lactose intolerance in patients with ulcerative colitis is dependent on their age and ethnicity and not any particular aspects of their disease. The proscription of milk products during flares of disease by many physicians is not supported by this study.