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My senior cat with kidney disease is vomiting. Is it kidney failure?

Updated On September 23rd, 2025

Pet's info: Cat | Maine Coon | Female | spayed | 5 lbs

My 18 yr old Maine coon has a history of renal disease and her vet did bloodwork and said her kidney values looked good for her age. Her BUN was high 51, ALT 112 presison psl 42, lymphocytes 954 . She looked great and we are giving her Sub Q fluids (75 every other day). We came home from the store and she had thrown up on the rug. It smelled like vinegar. Is she in kidney failure ? Please help ?

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on July 28th, 2019

Hi there. It's certainly possible that vomiting could be due to progression of her kidney disease, but could also be due to a number of other issues such as a simple upset stomach, or some other illness such as hyperthyroidism or pancreatitis. I would recommend taking her back to the vet tomorrow for a recheck, to see what her lab values look like and determine if any new problems have popped up. Your veterinarian can advise you on what should be done in terms of treatment from there.

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