Depending on the level of obstruction,<unk>  can present with abdominal pain, swollen abdomen, abdominal distension, and constipation.<unk>  may be complicated by dehydration and electrolyte abnormalities due to vomiting; respiratory compromise from pressure on the diaphragm by a distended abdomen, or aspiration of vomitus;<unk> wel ischemia or perforation from prolonged distension or pressure from a foreign<unk> dy. In small<unk> , the pain tends to be colicky (cramping and intermittent) in nature, with spasms lasting a few minutes. The pain tends to be central and mid-abdominal. Vomiting may occur before constipation. In large<unk> , the pain is felt lower in the abdomen and the spasms last longer. Constipation occurs earlier and vomiting may be less prominent. Proximal obstruction of the large<unk> wel may present as small<unk> .
Bowel obstruction
Intestinal pseudo-obstruction
Intestinal ischemia
Hereditary angioedema
Splenic infarction
Spontaneous bacterial peritonitis
Bowel infarction
Gallstone ileus