Umbilical Hernia — Why the Advice Is Different for Babies and Adults

A Bulge at the Belly Button Means Something Different Depending on Age

A swelling or bulge right at or around the belly button can show up in a newborn, in an adult after pregnancy or weight gain, or after previous abdominal surgery. It's called an umbilical hernia in all of these situations — but the right response to it is genuinely different depending on who has it, which is unusual among the conditions in this series and worth understanding clearly rather than assuming one rule applies to everyone.

What's Actually Happening

In babies, the muscles of the abdominal wall don't always close completely around the opening where the umbilical cord was attached before birth. That small gap lets a bit of tissue push through, especially when the baby cries, strains, or coughs — the same mechanical idea as any other hernia, just at a different location and for a different reason.

In adults, the same gap can open up later in life from significant strain on the abdominal wall — pregnancy (especially multiple pregnancies or carrying twins), considerable weight gain, or a previous surgery in that area that weakened the tissue.

In Babies: This Is Usually Not a Surgical Problem

This is the genuinely different part. A small umbilical hernia in an infant is common, usually painless, and in most cases closes on its own as the child's abdominal muscles continue to develop — often by age one to two, and sometimes as late as four or five. The standard advice for most cases is simply to monitor it, not to operate.

One myth worth correcting directly: taping a coin over the belly button, or binding it tightly with cloth, is a practice some families still try, but it doesn't speed up closure and can irritate the baby's skin. It's safe to skip.

Surgery in a child is considered when the hernia hasn't closed by around age four to five, when it's unusually large, or if it shows the same warning signs described below that apply at any age.

In Adults: This Follows the Same Logic as Other Hernias

Unlike in infants, an umbilical hernia that develops in adulthood does not close on its own — the same principle covered in our main article on hernias applies here. Once present and causing symptoms, surgical repair is the definitive fix; there isn't a natural-closure pathway the way there is for babies.

How We Find Out What's Going On

In most cases — for both children and adults — a physical examination is enough to diagnose it and assess its size. An ultrasound may be used if there's any uncertainty about exactly what tissue is involved, particularly for larger hernias in adults.

Does It Always Need Surgery?

In children, no — watching and waiting is the standard, correct approach for most small umbilical hernias, and most resolve without any procedure at all. In adults, generally yes, once it's been diagnosed and is causing symptoms, since it won't close on its own and the same long-term risk of the tissue becoming trapped applies as with any other hernia.

What the Operation Actually Involves

When surgery is needed — whether in an older child whose hernia hasn't closed, or in an adult — umbilical hernia repair is usually a relatively straightforward procedure, often quicker than other hernia repairs given the typically smaller defect size. It can be done with a small open incision or laparoscopically depending on size and the surgeon's assessment, under general anaesthesia, usually with a same-day or overnight hospital stay.

The Bottom Line

If your baby has a bulge at the belly button, the most likely outcome is that nothing needs to be done except watching it over the next few years — and no home remedy speeds that along. If you're an adult noticing the same kind of bulge, the situation is closer to any other hernia: it's not going anywhere on its own, and getting it evaluated and fixed on your schedule beats waiting for it to force the issue on its own.