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Symptoms associated with ileus include: 1  abdominal cramping. 2  appetite loss. 3  feeling of fullness. 4  constipation. inability to pass 5  gas. stomach swelling. 6  nausea. vomiting, especially vomiting stool-like contents.
Abominal distension and vomiting is always abnormal. Bilious emesis is also always abnormal and indicates ileus or obstruction distal to the common bile duct insertion into the duodenum. Other associated symptoms may include sepsis, bleeding, pain and respiratory distress.