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My cat's urine is brown. Can I use D-Mannose for her UTI? Dosage?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 13 years and 3 months old | 15 lbs

My cats urine is brown. I am assuming she might have a urinary tract infection of some sort. I am unable to get her to a vet right away, and I was wondering if there was a way to treat a cat UTI at home. I mean, can I use D-Mannose? If so, how much should I use?

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2 Answers

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Answered By Tomasz Wnuk

Veterinarian

Published on May 17th, 2020

Hello and thank you for contacting Petco Pet Education Center, formerly Petcoach. Yes, it sounds that Nikki has cystitis. D-mannose can be used it cats. The dose is about 1/4-1/2 teaspoon once a day. However, it probably will not be very effective. Bacterial urinary tract infection requires a course of antibiotic to resolve. Please, take Nikki your local vets as soon as possible.

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    Answered By Vanessa Yeager DVM MPH

    Veterinarian

    Published on January 9th, 2020

    If Echo has bacteria in urine, she will need an antibiotic to help solve. D-Mannose is a supplement that helps to support urinary tract health but may not help much if Echo already has a urinary tract infection. If you'd like to use the supplement in the future, I would recommend getting all dosing recommendations from Echo's vet. Unfortunately we cannot give out dosing information legally over the internet.

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