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Why does my puppy have lumps on its inner lip? Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 9 months and 19 days old | 75 lbs

I found two lumps on the inner lip of my puppies upper lips. I’m not sure if it’s normal or not (may be glands) but I thought I would check. One is bigger than the other.

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3 Answers

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on July 31st, 2018

It's not normal. it is probably a viral tumor called papilloma, it is not considered to be life threatening and it usually takes several months to a year to resolve without treatment, a treatment with a special antibiotic called Zhitromax helps in some cases. i would recommend taking Langley to the vet ASAP in order to get it checked.

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    Answered By Christie Long, DVM

    Veterinarian, Certified Veterinary Acupuncturist

    Published on December 18th, 2016

    Certainly it could be due to play, and dogs like to play with their mouths, especially when they're young and they're trying to figure out appropriate play methods with other dogs. If it's a wart-like growth, it may be a canine papilloma. These often show up on the mouths and feet of young dogs, and they are contagious between dogs. You can go to Google and look up images of these, so that you can see if this is what you're seeing on your dog. Papillomas usually go away on their own in about 2 weeks. If the lesion is still there at that point, I would get it checked by your vet.

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    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on August 30th, 2020

    Thanka for the images. It could be a papilloma, but without a closer physical exam, it is difficult to determine definitively. Papillomas are caused by a virus. The good news is that they are typically benign, cannot be transmitted to humans and may resolve on their own in weeks to months. They can be transmitted to other dogs though so use separate bowls, toys, etc. if necessary. You can either monitor Eddy at home and see your veterinarian if the lump grows or changes rapidly or you can schedule an appointment sooner to have it looked at. If it isn't a papilloma, your veterinarian can perform diagnostics to identify the lump/mass. Treatment options can be discussed once results are returned.

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