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My cat is peeing blood after spay surgery. Is this normal or serious?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed

Why is my cat peeing blood after a being neutered/spayed? (Female) She was not doing this before the operation. Vet seemed unprofessional.

3 Answers

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on March 28th, 2016

There is a chance that there was some trauma to the bladder area while removing the uterus which is located just above the cervix. Some light bleeding can be expected to occur for 1-3 days after surgery but copious amounts of blood or prolonged bleeding should be considered abnormal. I would recommend either taking your cat back to the previous veterinarian, since he/she did the surgery, for a follow-up visit for further care. Or if the trust has been broken with this vet, you can get kitty seen with another expert for an exam and potential urinalysis to ensure there isn't a UTI present that could explain the symptoms that mentioned. As long as there is an active flow of urine and no outward signs of illness (vomiting, diarrhea, bloated abdomen) then this sounds like a relatively non-emergency type situation that can be hopefully be resolved with medical treatment, if any.

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13Pet Parents found this answer helpful

Other Answers

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on

    It could be due to the surgery or due to pain and stress (which can lead to bladder inflammation and bloody urine). if you do not trust this vet, take her to a different vet tomorrow, it sounds like she needs to be seen ASAP.

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    6Pet Parents found this answer helpful

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on

    Not knowing when exactly your kitty was spayed makes it impossible to tell you why she is peeing blood. There are two possibilities: 1) she could have a urinary tract infection 2) she could have a stress-induced idiopathic urinary tract infection and 3) there is a possibility that there is some residual bleeding from the spay from the point where the uterus was ligated. This would only happen maybe the first or second day after the spay. In any case I would go back to the vet for a recheck, or, if you are not comfortable with your vet, get a 2nd opinion at another veterinarian.

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    2Pet Parents found this answer helpful

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