Umbilical hernias are a common finding in many puppies, especially toy breeds and t-cup puppies like Pomeranians, Chihuahuas, Poodles, Malteze, etc... Most of them are basically "outie" belly buttons. If small (tip of your pinky finger alike), they may seal up on their own and generally don't cause any problems. Larger ones (about a a dime size) may require surgery to close up the abdominal wall and prevent intestines from slipping out or getting twisted.
The umbilical hernia is not something that a new owner should stress over. Many umbilical hernias are small and only trap fat in the umbilical ring and cause no problems. These are called “closed” hernias and generally do not require treatment other than making sure they do not worsen (get larger).
What Exactly Is an Umbilical Hernia?
In an unborn puppy, the umbilicus slips out through an opening in the puppy's stomach wall to connect to the placenta. When a puppy is born, his dam chews or breaks this umbilical cord or the breeder cuts it and ties it off. It dries and shrivels up, leaving behind the "belly button."
Generally the abdominal wall closes up in the young puppy, leaving a solid abdomen. Sometimes a small bit of fat may get stuck in the opening, which leaves an "outie" belly button. Occasionally the wall of the abdomen simply does not close all the way. That is when we say a puppy or dog has an umbilical hernia.
Signs Your Dog Has an Umbilical Hernia
If your dog has an umbilical hernia, when your dog lies on his back, you can feel a small opening at the umbilicus site. Many of these small hernias will close up on their own by 6 months of age.
If the hernia bubbles out or is bigger than a pinkie finger, there is a chance that intestines may be slipping in and out of the opening. At some point, a section of intestines could slide out through the hernia opening and get trapped or twisted. At that point, your dog needs emergency surgery.
How to Treat a Dog Umbilical Hernia
Many small hernias will close on their own at the age of 6-8 month. Larger hernias will require surgery to close up the opening, leaving the intestines safely inside. If your puppy is not having any problems, your vet may recommend keeping an eye on it and doing the surgery at the same time as spaying or neutering. That means one bout of anesthesia and recovery for your pet and less cost for you.
It is best to consult your pet's veterinarian for advice on the best way to handle your individual dog's treatment.
Luckily most umbilical hernias are small and don't present a health concern for your dog!
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