<prompt> The most common cause of intestinal obstruction isAdhesionsVolvulusIntussuceptionHernia  <response>: Adhesions are the most common cause of intestinal obstruction in almost 40 of cases. The clinical manifestation are Intestinal obstruction Abdominal pain Abdominal distension Vomiting and constipation Ref: Bailey and love 27th edition Pg no : 1278 