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Why is my dog's tail gland visible or swollen? Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Male | neutered | 8 years and 1 month old | 42 lbs

can you show pictures of tail gland hyperplasia?

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1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on May 8th, 2018

If this is the tail gland (Viol's gland) of your dog in the photo, then it is severely infected and needs to be cleaned and treated by a veterinarian. You should not normally even see the gland. Sometimes a tumor can develop there. Please schedule a vet appointment for Tucker.

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