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My cat has a painful tail lump, still limping after vet. What to do?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered

My girlfriends indoor/outdoor cat came home with a limp. I noticed a lump on his tail that seemed to be the source of his pain. We had no idea what could have happened so we immediately made a vet appointment for the next day. They shaved and examined him, gave him a rabies shot, antibiotics, and some stuff to take home. No X-rays were taken. I’m probably just a worried pet mommy, but this looks really bad and he’s still in some pain, hiding away from us and sleeping. What should I do?

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1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on June 15th, 2019

I suspect that Mishkey got attacked by another cat. Keep an eye on this area, if it isn't looking better in a few days, he should probably be rechecked by the vet. Sometimes that irritated skin will start to die and turn black, in which case it often needs to be removed surgically. Minimizing activity and giving pain medications as prescribed by the vet is the best you can do for him at this time. Make sure his food and water and litter pans are easily accessible.

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