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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.
Other causes of adynamic ileus are as follows: 1  Sepsis. 2  Drugs (eg, anesthesia, opioids, psychotropics, anticholinergics, antacids, warfarin, amitriptyline, chlorpromazine) 3  Endocrine disorders (eg, diabetes, adrenal insufficiency, hypothyroidism) 4  Metabolic (eg, low potassium, magnesium, or sodium levels; anemia; hyposmolality)