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Why does my puppy have a bump near his penis that comes and goes?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | unneutered | 3 months and 10 days old

My 12 week old puppy haD a capsule like, hard bump between the top of his Penis and testicles. It was movable from side to side. It is gone now. What does it mean?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on December 11th, 2016

I'm wondering if what you were feeling was Tuck's bulbourethral glands. These are located between the penis and testicles, and become enlarged when the dog is aroused or excited. They will then disappear after those feelings have passed. It is a normal part of a dog's anatomy :-)

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