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My dog has a red nose bump that isn't growing or fading. What is it?

Updated On September 23rd, 2025

Pet's info: Dog | Bernese Mountain Dog | Female | spayed | 1 year and 10 months old | 97 lbs

My dog has a reddish bump on the side of her nose . It’s not going away, but it’s also not getting bigger.

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2 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on November 12th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Thanks for the pictures! My hope, since Sophie is young, that the bump is a histiocytoma. These are benign bumps that are button-like, red, and hairless that can be seen in young dogs. They usually go away on their one in 2-3 months. Sometimes they ulcerate as they regress. If it gets larger, starts bothering Sophie or doesn’t go away in 2-3 months then you should have Sophie looked at by a Vet. There are other skin masses that can look like that, some are benign but there are ones that are also cancerous. I hope this helps and I wish Sophie the best!

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Other Answers

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    Answered By Alexis de Gale, DVM

    Veterinarian

    Published on July 29th, 2017

    From your picture, my first thought is a histiocytoma, which is a benign mass of young dogs. Will go away on its own in a few months. Other possibilities include bacterial infection, fungal infection, or even a tumor. Your vet might be able to take a small sample of cells with a needle and get you more information on the best course of treatment.

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