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Cat has red skin & fur loss around penis after UTI. Is it urine burn?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 10 years and 6 months old | 19 lbs

My cat has a uti, but has stress cystitis before that. He's doing better each day but I did notice he seems to have lost fur around his penis and the skin was red. Is this urine burn or like diaper rash? I started using alcohol free baby wipes and dermalone ointment, which he seems to like. Check the pic and let me know.

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1 Answer

Most Helpful Answer

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Answered By Jessica Keay, DVM

Veterinarian

Published on July 4th, 2017

It does look like he could have urine scalding around his rear end, it looks in the photo like the fur is wet underneath the red area? I would worry is he sitting in a soiled litterbox or wet area. We don't normally see the fur around the rear end getting soaked with urine in a cat. I would be sure that all the litterboxes are cleaned daily so he isn't sitting in a wet area and also would recommend getting an e-collar for him to stop him from licking the area (they can lick at the penis if they are having cystitis so maybe this is the case). I would bathe the area so there is no more urine present and dry with a hairdryer set on cool and put on an e-collar. I would let your vet know about the issue and they may want to prescribe a topical antibiotic or steroid ointment to use (if you have the dermalone, they may feel this is ok), or just monitor the area closely after bathing and putting on the e-collar.

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