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How to get my picky senior cat to eat prescription kidney food?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 18 years and 8 months old | 9.5 lbs

Hi!any tricks to get my senior cat to eat a kidney diet food? Vet says he doesn’t have kidney disease but his #s have trended upwards in last year(sdma 13 creatinine 1.6 &BUN 39) so she thinks it’s a good idea to start kidney food. Also there is no protein in urine and he’s concentrating his urine. I’ve tried every kidney Rx diet that exists in the last few days and he’ll try each one once or twice then he refuses it. I’m terrified because i can’t force him to eat it but I know he needs it.

1 Answer

Most Helpful Answer

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Answered By Makenzie Kurth, DVM

Veterinarian

Published on September 13th, 2018

The key here is to go VERY slow. I saw a presentation by Hill’s that said over 90% of cars will eventually transition into a kidney diet- but it can take up to two months. I’d say go back to whatever Tony was eating well and try one of the following: 1) If he eats dry food, mix in a few kibbles of the kidney food at each meal. As he begins to finish all the food, very slowly creep up on the prescription food and back off on the regular food. 2) If he eats dry food but is interested in wet - or eats a mix of wet and dry: top dry food with a tiny dollop of canned kidney food. As he begins to eat this, replace more and more kibbles with wet kidney food. OR, if you want to keep him on a mix of both, start slowly replacing the kibbles as described in option 1. 3) If he eats only canned, mix a tiny bit of canned kidney diet in with it. Same as for the dry food, slowly increase the kidney diet and decrease the regular stuff. Again, this could take a month or two so be slow and patient. Best wishes to you and Tony.

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