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Umbilical hernia

An umbilical hernia is an outward bulging (protrusion) of the lining of the abdomen or part of the abdominal organ(s) through the area around the belly button.

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Umbilical hernia

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Causes

An umbilical hernia in an infant occurs when the muscle through which the umbilical cord passes does not close completely after birth.

Umbilical hernias are common in infants. They occur slightly more often in African Americans. Most umbilical hernias are not related to disease. Some umbilical hernias are linked with rare conditions such as Down syndrome.

Symptoms

A hernia can vary in width from less than 1 centimeter (cm) to more than 5 cm.

There is a soft swelling over the belly button that often bulges when the baby sits up, cries, or strains. The bulge may be flat when the infant lies on the back and is quiet. Umbilical hernias are usually painless.

Exams and Tests

A hernia is usually found by the health care provider during a physical exam.

Treatment

Most hernias in children heal on their own. Surgery to repair the hernia is needed only in the following cases:

Outlook (Prognosis)

Most umbilical hernias get better without treatment by the time the child is 3 to 4 years old. If surgery is needed, it is usually successful.

Possible Complications

Strangulation of intestine tissue is rare, but serious, and needs surgery right away.

When to Contact a Medical Professional

Call your provider or go to the emergency room if the infant is very fussy or seems to have bad abdominal pain or if the hernia becomes tender, swollen, or discolored.

Prevention

There is no known way to prevent an umbilical hernia. Taping or strapping an umbilical hernia will not make it go away.

Related Information

Groin lump
Umbilical hernia repair

References

Nathan AT. The umbilicus. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 125.

Sujka JA, Holcomb GW. Umbilical and other abdominal wall hernias. In: Holcomb GW, Murphy JP, St. Peter SD, eds. Holcomb and Ashcraft's Pediatric Surgery. 7th ed. Philadelphia, PA: Elsevier; 2020:chap 49.

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Review Date: 8/7/2019  

Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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