Bowel obstruction blocks the movement of swallowing.
== Causes ===== Small bowel obstruction ===Causes of small bowel obstruction include:Adhesions from previous abdominal surgery (most common cause)Barbed suturesPseudoobstructionHernias containing bowelCrohn's disease causing adhesions or inflammatory stricturesNeoplasms, benign or malignantIntussusceptionVolvulusSuperior mesenteric artery syndrome, a compression of the duodenum by the superior mesenteric artery and the abdominal aortaIschemic stricturesForeign bodies (e
 When the obstruction is cancer, surgery is the only treatment

