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My dog has a growing bump with hair stuck for months. What is it?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | neutered | 1 year old | 70 lbs

Hey so I thought this was a mole. However it looks like it was getting bigger. With a Close look at it hair was stuck in it and just removing the hair this is what it looks like. I have no clue what it is. It has been there for about 2 or 3 months. just getting worried.

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1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on June 27th, 2018

This looks like a possible mass that has ulcerated and now has become infected. This is very unusual for such a young pet, but it is possible. I would highly recommend taking Rudder to your vet to have this growth tested to determine what kind of mass it is and also to get the secondary infection treated right away. In the meantime you can try cleaning it with Betadine diluted 50:50 with warm water to reduce the level of infection there. If he is lickign the area, I would also consider placing an e-collar from your local pet store on him to prevent him from bothering it and making it worse. I would not recommned placing anything topical on this over the counter besides the cleaning solution Betadine. A full evaluation of this is ideal for Rudder moving forward if this is going to have a chance to heal properly. The vet will also likely shave the hair around this growth to remove any dirt and debris from the area and also to get a closer look at the surrounding tissue. I hope that your pet Rudder gets resolve to his long lasting growth soon! Best wishes and take care.

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