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Why is my kitten biting his tail and causing himself pain or injury?

Updated on September 23rd, 2025

My kitten has started biting his tail. I thought he was just playing at first but I noticed bite marks and missing fur at the tip of his tail, and he just keeps biting at it. He's been treated for fleas and there are no other animals in the house to have done this to him. What else could be causing him to do this?

1 Answer

Most Helpful Answer

Sara Farmer, DVM

Answered By Sara Farmer, DVM

Veterinarian

Published on May 26th, 2019

He could have pain in his tail from a skin wound or fracture that is causing him to traumatize his tail. He might also have feline hyperesthesia syndrome, a likely neurologic disease that can result in self trauma. I’d recommend having your vet examine him to see if there is any evidence of other diseases and to discuss starting medication if needed.
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