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Why is my spayed cat spraying and marking? Is it a health problem?

Updated On September 23rd, 2025

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

Frmr feral cat spraying vents &a carpet. Lots of room and cat toys. Still using Lbox too. Likes to be left alone. Won't stop spraying and marking.Help

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on November 25th, 2016

This behavior can be a sign of a medical illness, such as a UTI or bladder stone. I would recommend taking Kali into your vet tomorrow for an exam. Your vet can do routine blood tests and a urinalysis to see if she does have a UTI or bladder stones. If she has a UTI, she will need antibiotics to treat it. Bladder stones may need to be removed surgically, or can be managed with diet.

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