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My cats fight, and one attacks us. How to stop cat aggression?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 5 years and 7 months old | 15 lbs

I have 2 cats they are separated because they cant get along so now when they get together on accident they fight then the cat named puss attacks us. we left him alone for a full night and my father went in the room and he was fine then all of a sudden he attacked my father. so don't no what to do.

2 Answers

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on February 25th, 2018

Poor Puss. It sounds like he is very stressed. I have a couple of suggestions that you can try at home, but I suspect you may need to get your veterinarian involved and utilize some medication if Puss is that stressed. One option for decreasing stress is to add a Feliway Diffuser ( https://www.feliway.com/us#redirected ) to your house. This is a calming pheromone that will work for a month and may be beneficial for both cats. I have also had luck with Rescue Remedy ( http://www.bachflower.com/rescue-remedy-pet/ ) which can be added to the water and will be safe for both cats. What may have happened this morning is something called displaced or redirected aggression. Something that stresses Puss out can cause him to lash out at something else (like your dad). Simply the smell of your other cat may have caused that type of reaction. This type of aggression can respond well to medication, so I would recommend speaking to your veterinarian about your options. Good luck! I hope that was helpful. Thanks for using PetCoach.

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Other Answers

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    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on March 1st, 2020

    This could be a case of "redirected aggression". One of your cats was not happy at the interloper and attacked the next closest cat, your second cat. Separate them for several days, then gradually reintroduce them. You can use a small animal repellent around the perimeter of your yard to keep strays away. A pheromone product, such as Feliway Spray or plug in diffuser, may help to decrease any anxiety or aggression.

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