[ABSTRACT] Crohn disease is an inflammatory illness which affects any part of the digestive tract. It is common in developed conuntries, affecting above all young people of both sexes. It is a chronic and relapsing; it develops in episodes of variable intensity and duration, producing symptoms as: hypogastric pain, diarrhea, constipation, fever and weight-loss, among others.Its origin is unknown, althought it is thought to be caused by a genetic predisposition and probably by infectious and