[Amoebiasis--a problem in patients with ulcerative colitis].

The increasing problem is presented of Entamoeba histolytica invasion in patients with ulcerative colitis. The diagnostic-therapeutic management in five patients with amoebiasis is discussed in detail. This parasitic invasion occurred in five out of 103 patients with ulcerative colitis which accounts for 4.85%. This data is important for the treatment of chronically ill patients with ulcerative colitis.