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Lump after vaccines.

Species: Dog
Breed: Miniture Schnauzer
Age: 1-2 years
We took Max to the vet for shots. The vet gave them to him on his lower back and he got a little bump under his skin but now, a week later, its a huge tumor feeling lump under his skin. What could this be? Is it even okay to give dogs shots there rather than in the neck?


Online vet, Dr. Marie

Dr. Marie replied:

It's quite common for a dog to get a little bump at the site of a vaccination. We call this a vaccine granuloma. They almost always go away on their own within a couple of months, but rarely they can go on to become cancerous.

However, if there is a huge lump where your dog had his vaccination then I am concerned that this may be an abscess. Any time something is injected into the body, this is a possibility. It is not common though.

And yes, it is quite common to give injections over the lower back. I give a lot of injections over either hip.

It sounds like you will need to have your vet take another look at Max and figure out what is going on.

---This question was asked in our Ask A Vet For Free section.---


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.