摘要
Background:There are reports on mesalamine-induced bloody diarrhea mimicking ulcerative colitis(UC)relapse,mostly in adults.Methods:Herein we present a case of a child with UC who developed relapse of hemorrhagic colitis related to mesalamine.Results:A 10-year-old girl developed severe symptoms mimicking UC relapse 3 weeks after introduction of mesalamine therapy.After mesalamine was withdrawn,her symptoms improved,but deteriorated again during the challenge of mesalamine despite concomitant use of corticosteroids.Conclusion:This is the fi rst case report on such a young child during the concomitant use of corticosteroids.