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My cat had a blocked urethra. Why is he now incontinent and vomiting?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 4 years and 6 months old | 11.02 lbs

Hi Last week I took my four year old male cat to the vet as he had a blocked urethra. He spent three days in hospital and I bought him home. He was fine for a couple days, however the past three days he's been "incontinent" a little lethargic and everytime he eats he vomits it back up about an hour later. I'm not sure what could be causing this as he seemed ok but now this is happening.

2 Answers

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on September 3rd, 2017

I would recommend a further check up and blood test as renal issues can come up many hours/days later than initial presentation. Incontinence can be secondary to lack of bladder contraction due to over-distended bladder (due to blockage), there are anyway medications available to help contraction. Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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    Answered By Jeffrey Milner

    Veterinarian

    Published on

    First thing you will want to make sure of in this type of situation is if he is draining his urine appropriately. Based on your indication of incontinence, he must be at least dripping urine. However, if he is not having normal streams of urine in between these episodes of dripping, there is always the chance that he has already reblocked and will require another procedure to fix this. The other symptoms you have described are somewhat nonspecific, and could be an indication of generalized infection, stress, and/or inflammatory disease processes. Overall, the most important thing here is to be absolutely sure he is urinating normally. If not, definitely get back into the vet immediately. If he is reblocked, you may want to speak to your vet about a surgical procedure that redesigns the urinary tract to make the passage of material more easy.

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