Any hindrance to the passage of the intestinal contents. Some of the causes are
hernia,
adhesion,
tumors,
volvulus,
congenital defects, local
inflammation,
gallstones,
heavy metal poisoning,
infection or
spinal injury.
Symptons are typically abdominal pain, vomitting, distention, and a fecal odor to the breath. Under no circumstances should a laxative be given, as it may aggravate the situation.