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What's this blackhead-like bump on my dog's mouth? Should I see a vet?

Updated on September 23rd, 2025

Pet's info: Dog | Border Collie | Male | unneutered | 1 year and 2 months old | 41 lbs

Can you tell me what is this? It looks like a blackhead by his mouth. Should I take him to doctor?

1 Answer

Most Helpful Answer

Amy S. Eutsey, DVM

Answered By Amy S. Eutsey, DVM

Veterinarian

Published on August 6th, 2017

I'm not sure we can tell you for sure exactly what that is, but it looks like a papilloma or wart. These are usually a benign growth and are often caused by a virus. If Marci has been in contact with other dogs recently at the dog park, a boarding or daycare facility, etc.--these are common places to pick up the virus. If it is that, he may develop more. They typically disappear on their own over the course of a few weeks. If this doesn't sound like a possibility, that raised area may simply be a spot of inflammation or folliculitis. Monitor it for growth and it us shears a good idea for your veterinarian to check out any strange lump.
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