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Why is my new cat biting her tail until it bleeds and loses fur?

Updated On September 23rd, 2025

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

Hello i just recieved a cat a couple of days ago and we just noticed that she keeps boting the end of her tail and she has actually started bleeding not a lot but it still bleeds a little and also there is no fur at the end where she bites, she doesn't act like she's in pain and she doesn't hiss and run away when we pet or hold her she cleanes herself fine but when she bites her tail that's when she of course meows

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on May 7th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Ketkat! The most common reason for chewing the back or the tail is fleas. Use a fine tooth comb and brush above her hips and down the tail. If you catch an adult flea in the comb you have an answer. If you don't, use a wet white tissue or paper towel to remove the fur and debris from the comb. If you see black squiggly flecks that when wet look like blood streaks that indicates flea poop. I would recommend a good flea preventative like the Serest collar, Bravecto for Comfortis. be sure that ALL animals in the house are treated. Other possibilities are skin allergies from the environment or food and cats can over groom from anxiety or behavioral reasons. If you do not find fleas I would take her to the Vet for a diagnosis so you can get her feeling better. I wish you all the best!

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