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My neutered male cat sprays walls. Why and how can I stop him?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 1 year and 11 months old | 10 lbs

My male cat was neutered two years ago. When he was fixed he was no spraying. A few months after the surgery he started spraying. What can we do to stop him? He sprays the walls not furniture

2 Answers

Most Helpful Answer

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Answered By David Darvishian

Veterinarian

Published on December 8th, 2017

Hi and thanks for using Petco Pet Education Center, formerly Petcoach! Sorry to hear about Rabbit. Spraying can be due to a medical or behavioral problem. Good news is that both are treatable. Medical problems are usually due to cats developing Feline Lower Urinary Tract Disease or Syndrome, also known as Feline Interstitial Cystitis. This has many causes including stress, infection, urinary crystals/stones which all lead to bladder inflammation among other changes including spraying. I would advise making an appointment with your veterinarian so they can examine him and perform some tests including a urinalysis to see if there are signs of a medical problem. Sometimes blood tests are required to make sure the kidneys and internal organs are functioning properly. Once a diagnosis is made there are various ways to treat this including drugs to treat the stress, infection (if any), and the inflammation. Sometimes a special diet is advised if crystals are present. Or even surgery if urinary stones are actually present depending on the type of stones and how big/how many there are. Behavioral problems are assumed if the medical tests come back normal. These problems can be addressed with some medications in the hopes of decreasing/stopping the urine spraying. One last thing, if it's medical and a lower urinary problem, male cats can block with this disease which can prevent them from urinating. If you notice no urine production, get him evaluated immediately. Good luck with Rabbit. I hope this resolves soon.

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Other Answers

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    Answered By Dr. Strydom, DVM

    Veterinarian

    Published on April 11th, 2020

    Male cats that are neutered can still "spray" which is urinating on vertical surfaces. I see the litter box is near the washing machine or dryer? Typically cats do not like urinating in a loud location so if you can, I suggest you move the location of the box to see if that helps. Also getting second litter box sometimes helps so he has two. Use different types of litter in each box. He may like one type better than another. You can also make him a litter box (as shown in the YouTube video linked below) so that he really can't urinate on the wall. I think these are best. Hope this helps. https://www.youtube.com/watch?v=n_KBWzHvNn4

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