Intussusception | Causes & Risk Factors

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What causes it?

There is no known cause for most cases of intussusception. Rarely, intussusception is caused by conditions such as appendicitis, tumors or a polyp (a growth inside the intestine).

Who gets it?

Intussusception is the most common cause of intestinal blockage in children between 3 months and 3 years of age. Most cases of intussusception occur in babies younger than 1 year of age. For unknown reasons, boys are affected more often than girls. Intussusception also occurs in older children and adults, but there are far fewer cases in these groups.

Written by familydoctor.org editorial staff

Reviewed/Updated: 03/14
Created: 07/96

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