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What causes a cat's neck wound from scratching that looks like a bruise?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Female | unspayed

Hello! Today my cat suddenly started scratching her neck and when she stopped I found a horrible wound on her neck. It is not bleeding and looks more like a bruise. I have attached a photo. Please help me!

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1 Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on January 3rd, 2020

This is probably caused by an allergic reaction. first of all make sure you de-flea Limu regularly every month with a high quality spot on (ex. Advantage) as fleas are by far the most common reason for these reactions. If the fleas are not the problem, it could be an allergic reaction to food or an environmental factor. this is more complicated to treat and will sometimes require medications such as Steroids, anti histamines or cyclosporin in order to stop the allergy.

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