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Why is my neutered cat attacking other cats and peeing everywhere?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | 7 years and 5 months old

My cat has started attacking my other cat and is peeing everywhere. .. He has been neutuard.

1 Answer

Most Helpful Answer

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Answered By Amber W

Veterinarian, Certified Veterinary Acupuncturist

Published on September 25th, 2017

I'm sorry to hear this! I know how frustrating behavioral issues can be! This sounds like Tatty is behaving this way out of stress. Stress can result from a underlying medical issue among other things. Inappropriate elimination (peeing or pooping outside the litter box) in cats can be frustrating and difficult to treat. The first step you should take is scheduling an appointment for your cat to see a veterinarian. A lot of times a cat will start going outside of the litter box due to health problems like urinating tract infections, pain, urinary tract inflammation and digestive problems. Once you have established that there aren't any medical reasons for inappropriate elimination the following may be helpful: 1. Cats will urinate or defecate outside of the litter box for stress related reasons. Therefore it is best to keep the litter boxes in several different, quiet areas of the household. This may also help reduce Tatty's stress level. 2. A pheromone diffuser like Feliway can be quite helpful. This can be very useful when a cat is showing agression like Tatty. 3. Ensure you have at least one litter box in the household per cat plus one. For example, if you have 3 cats, then 4 litter boxes are recommended. 4. Feeding an all canned food diet can help if there is inflammation in the bladder. There are also prescription diets available to help with bladder inflammation or digestive issues. Your veterinarian can help you choose the best one for your cat. 5. The litter boxes should be cleaned once to twice daily and completely emptied and washed weekly. Most cats prefer litter to be the clumping type that is kept a few inches deep. Certain litter types like Dr. Elsey's Cat Attract litter may be helpful. 6. If you are still having problems after taking the above steps you may want to talk to your veterinarian about behavioral medication. Thanks for using Petco Pet Education Center, formerly Petcoach and good luck to you and Tatty!

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