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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.
Adynamic ileus results in the dilatation of loops of bowel from smooth muscle dysfunction, as opposed to mechanical obstruction. Dilatation may be localized or diffuse, depending on the etiology. The colon may or may not also be involved.