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My cat has invisible bites bigger than fleas. What's biting her?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed

Hi, my cat is being bitten by something I can't see, she has wounds like a flea bite but bigger & I can't see the fleas or anything. What could be biting my cat that I can't see?

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on March 3rd, 2020

Hello. The wounds could be from flea bites, & Rascal is scratching to the point of making things worse. Cats can also harbor a demodex mite. It is important to make sure you are using a good flea & tick product that is labeled for cats to see if this is the cause of the sores. Cats can also develop sores from allergies. This is called miliary dermatitis & this is generally treated with a steroid or other immunomodulating medication like cyclosporin. You will need the help of a veterinarian to diagnose a skin mite & prescribe a treatment. I hope Rascal is doing better soon & thanks for using Petco Pet Education Center, formerly Petcoach.
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