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My 10-week-old kitten has chronic loose stools. Is KMR safe long-term?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Male | 2 months and 12 days old | 3.2 lbs

10 week old kitten has chronic loose stools. Has been regularly dewormed and two clear fecal test. The only thing that seems to help is KMR. Any idea what it could be? Can I feed him KMR or KMR/kitten food long term? For now, I plan to feed him exclusively KMR for a few weeks then try to slowly introduce one protein at a time to test for allergies. Thanks!!!!

1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on November 9th, 2017

He could have a sensitive stomach or a malabsorption problem. Unfortunately KMR isn’t a well balanced meal for him to consume after the weaning age (3-5 weeks of age), so it’s best to keep him in a high quality kitten food such as Royal Canin, Hill’s Science diet, Evo, Eukanuba or California natural by Natura. Your vet can run a test to check for malabsorption. This is something that can be treated. I would also recommend trying a probiotic for a few weeks to see if this makes a difference. Over the counter Culturelle is comparable to a lot of the pet formulated probiotics we carry in the clinic. Adding in 1-2 tsp of canned pumpkin (not the pie filling), can also help solidify his stools. If all else fails then it’s best to go back to your vet to have a pcr fecal screening test, which is a little more in depth to check for bacterial infections that would not be detectable with just an in-hospital fecal exam. I hope this helps and best wishes moving forward with your pet Charlie and his loose stool. Take care.

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