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What is this black bump on my dog's stomach that has black stuff coming out?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund | Male | unneutered

I found this spot on my dogs stomach and I’m not sure what it is. I have researched but I haven’t found anything that looks like this. When I slightly squeeze on it the black part of the bump starts to come out but I don’t think it’s a pimple. It’s the only one I can find on his stomach.

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2 Answers

Most Helpful Answer

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Answered By Ana M, DVM

Veterinarian

Published on May 8th, 2019

Thank you for submitting your question regarding Bash. I recommend that he sees his veterinarian. He could have a cyst that has ruptured with some of its contents appearing black. There is also a fly larva that can be seen emerging from the skin. This is called a cuterebra. His veterinarian will examine him and be determine the cause of the mass and if any treatment is needed. I hope this information helps!

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Other Answers

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on

    Are you sure it isn't a nipple (hard for me to tell since the picture is a close-up)? It could also be a cutaneous horn. Ultimately, it should be examined in-person by a vet. If the vet is concerned about it, they may recommend a biopsy or removal.

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