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My cat's Royal Canin Renal is out. Can I use Hill's k/d instead?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | spayed | 8 lbs

My cat usually gets fed royal canin prescription for renal support. My local petsmart is out of that one. Can i feed her hills science prescription kidney care in its place?

2 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on January 18th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! As long as Hazel doesn’t get an upset stomach with sudden food changes it should be fine to use the Hill’s k/d until the Royal Canin is back in stock. I hope this helps!

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Other Answers

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    Answered By Kevin Sanada, DVM

    Veterinarian

    Published on

    Yes, Hill's prescription k/d is formulated similarly to give the right balance of nutrients necessary during kidney failure. It's best to transition the food slowly though, because these foods are different enough that an abrupt change can cause an upset with the gastrointestinal system. It's best to slowly transition the new food over a two week period, where you gradually increase the new food, while decreasing the old food. As always, it's best to do this as advised by your veterinarian, because they will know best about Hazel's condition and may have additional advice, or concerns about the switch in foods. I hope that helps and all is well with Hazel.

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