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Why does my 7-month-old puppy suddenly have bumps inside his mouth?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 50 lbs

hello i just noticed my 7 month old puppy has bumps inside his mouth. No discomfort

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on August 20th, 2019

These could be papillomas (warts). Your veterinarian can confirm this with a physical exam. Papillomas, which are viral in nature, typically resolve on their own in weeks to months. They can be spread to other dogs, so limit or prevent contact as much as possible.

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