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My puppy has a bump on his penis. Is it serious? Should I see a vet?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 4 months and 22 days old | 28 lbs

My puppy has a bump on his penis that is the size of one of his nipples. Does it require medical attention? It doesn’t seem to bother him.

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3 Answers

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on January 23rd, 2018

That little bump appears to look like a small pustules (pimple). If this is the only one I would watch it and make sure it dries up and heals in the next few days. However, watch for more to pop up anywhere on his body because puppy pyoderma or skin infection is common in young dogs. If several pop up he should be evaluated by your veterinarian as soon as possible. Best of luck and thank you for using Pet Coach.

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Other Answers

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    Answered By Dr. Leigh, DVM

    Veterinarian

    Published on November 28th, 2016

    It could be a small pustule, cyst, allergic reaction, or mass. If it is not bothering him than you could monitor the area for a couple of days and see how it changes. If it persists or you see any swelling, discharge, or redness than he should be examined by your vet to determine the exact cause. Your vet can do a fine needle aspirate to diagnose and treat.

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on September 30th, 2018

    This appears to be a little pimple or pustule. I would monitor it and keep Mocha from licking it. If it increases in size or gets infected or does not go away within a week, schedule an appointment with your veterinarian for an exam. I would not worry about it too much.

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