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My male cat has a swollen penis. Is it a urinary blockage or FLUTD?

Updated On September 23rd, 2025

I already asked u why my cat Storm has a swollen penis. U send me a thing on why cats meow. Do I get an answer on not? Is it that u don't know or what

2 Answers

Most Helpful Answer

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Answered By Christie Long, DVM

Veterinarian, Certified Veterinary Acupuncturist

Published on June 7th, 2016

From reviewing your previous question on Storm I believe that the answer that was provided regarding why his penis is swollen was about the potential for urethral blockage. Male cats are prone to a condition called Feline Lower Urinary Tract Disease (FLUTD) that can cause severe inflammation in the urethra, which we often see as swelling of the penis caused by their licking it. This is a serious condition that can become life-threatening if the urethra become partially or fully blocked, as they can't urinate. Your vet can check Storm for signs of this disease and recommend medications and/or food that will treat this condition.

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Other Answers

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    Answered By Lauren Jones VMD

    Veterinarian

    Published on October 1st, 2021

    It’s extremely concerning to me that Milo is only passing small amounts of urine, even though you aren’t seeing blood. When male cats only urinate small volumes, the first thing we worry about is a partial urinary obstruction or blockage. It’s also possible that he could be experiencing these urinary difficulties due to bladder stones or inflammatory issues (FLUTD - feline lower urinary tract disease). Male cats get urinary tract infections very infrequently, although it’s not impossible. Milo should be examined by your vet or an emergency vet urgently. If he is developing an obstruction, this is a serious, life-threatening issue, so it’s always best to err on the side of caution and look into these urinary issues immediately. Best of luck and I hope that everything goes well for Milo!

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