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What's this small pimple on my dog's butt that isn't bothering him?

Updated on September 23rd, 2025

Pet's info: Dog | French Bulldog | Male | neutered | 2 years and 1 month old | 25 lbs

Hi I just noticed a small pimple on my dog’s butt. He is eating normally and does seem to be bothered by it.

4 Answers

Most Helpful Answer

Answered By Destini R. Holloway, DVM

Veterinarian

Published on July 3rd, 2020

This does seem rather small in size and could very well be an insect bite. Since it isn't really bothering him, I would recommend monitoring this for now to see if this will spontaneously resolve If it is still present after 2 weeks or worsens at any time, then its best to get your vet to take a look at this on physical exam. A growth like this is either going to be a bug bite, cyst, or tumor.
I hope that your pet Rocky resolves this skin lesion soon! Best of luck moving forward. Take care.

1Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By David Elbeze, DVM, MRCVS
Veterinarian
Published on February 7th, 2019
It looks like an insect bite or an allergic reaction, just monitor it once a day, i would expect it to resolve within no longer than a week. if after a week you see no improvement take her to your vet to get it checked.
1Pet Parents found this answer helpful
Answered By Ricardo Fernandez, DVM
Veterinarian, Veterinary Oncology Resident
Published on April 23rd, 2018
Thanks for using Petco Pet Education Center, formerly Petcoach! This could be a benign or malignant growth. This could also be a bug bite or site of infection. This is often differentiated by a test called a fine needle aspirate (FNA) which is a pain free, inexpensive and easy procedure which in most cases will help reach a diagnosis. Sometimes a biopsy is needed for a definitive diagnosis. I recommend that you have her evaluated by your veterinarian for further assessment and treatment. I am really hoping for something benign. You can try using a thin film of triple antibiotic in case it is truly just an infection or bug bite. Good luck and have a good day!
1Pet Parents found this answer helpful
Answered By Destini R. Holloway, DVM
Veterinarian
Published on November 24th, 2017
Please repost your question with a picture of the suspected bite. Chances are it isn’t a bite and may be a ruptured anal gland, a hot spot or even a skin mass. A picture would help to kind of narrow things down. We look forward to your repost. Or it may be best to have this examined and treated by your local vet, especially if it hasn’t improved on its own within 4-7 days. Take care.
1Pet Parents found this answer helpful

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