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Why are my cats fighting after one came home from the vet's office?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered

Why do 2 other cats try to fight my other 1 cat now after he got back from the vet cause he had a uti?

1 Answer

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on April 19th, 2021

Unfortunately, it is very common for one cat to come home from the vet's office only to have the other cats show aggression toward them. It is not from the UTI itself but likely because of the smells he has on him that are foreign to the other cats. Typically this will stop after a couple days. You could get some Feliway Multicat diffusers to help the situation: https://www.petco.com/shop/en/petcostore/product/feliway-30-day-multicat-diffuser-plug-in-starter-kit

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