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My cat has a strange lump or swelling on her skin. Is it an infection?

Updated On September 23rd, 2025

Pet's info: Cat | Siamese | Female | spayed | 7 months and 25 days old | 6 lbs

Hello! My cat looks like a photo. What is this?

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1 Answer

Most Helpful Answer

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Answered By Amber Da Silva, DVM

Veterinarian

Published on January 11th, 2018

While it is difficult to tell for certain from the picture, I would strongly suspect there is an infection going on. I would recommend taking her to your veterinarian to have it evaluated. It will most likely require medication to treat the infection. If there is a collection of infected fluid under the skin (abscess), that will most likely require further treatment as well. I hope she feels better soon! Thank you for using Petco Pet Education Center, formerly Petcoach!

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