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My dog has a large, soft lump on her bum. Is an emergency vet needed?

Updated On September 23rd, 2025

Pet's info: Dog | Boston Terrier | Female | unspayed | 2 years and 3 months old | 12 lbs

I just notice my dog has a large lump on her bum. does not Hurt her she acting normal. Just want to know if I should take her to the emergency vet right away or not. Looks like a cyst to me feel watery.

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on May 11th, 2019

Oh that is quite a large bump! I'm wondering if it could be a cyst, or if her anal sac is impacted. Because it's that large and I'm concerned it could rupture, I would have Frida seen by a vet immediately. Best of luck.

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