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My senior cat has a red, oozy lump that's growing. He keeps biting it.

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Longhair | Male | neutered | 17 years and 5 months old | 10 lbs

My 17 year old male long hair cat has a red oozy lump. Feels granulated. His appetite is good. The lump was vet small. But in the last few weeks has doubled in size. It doesn’t seem to bother him- but occasionally he will bite at it.

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1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on December 16th, 2017

Poor guy. This appears to be a mass that has ulcerated and is now bleeding. When masses rupture like this they are a constant source of infection and discomfort for the pet. I recommend scheduling an appt with your vet to discuss having this mass removed surgically at this point. In the meantime you can try cleaning it with Betadine diluted 50:50 with warm water to antiseptically clean the area and prevent infection. You can also place an e-collar on Harley to deter him from chewing or licking at it , which will only make it more irritated. Best of luck with Harley and getting this mass removed. Take care.

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