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My senior cat is frail, losing weight, and drinking lots. How long?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered

My cat is on Metacam for arthritis/pain, methimozole for thyroid and lactulose. He has lost 4 pounds in 2 months. He is only eating 1/3rd of his food and drinks water every hour. He is still mobile and purrs when petted and brushed, however he is getting more frail. We don't want to see him suffer but know nature may not take him and we will have to euthanize him. Once body systems start to shut down, do you have any idea how much longer he may have? Thank you so much. Pat

1 Answer

Most Helpful Answer

Claudia Fioravanti

Answered By Claudia Fioravanti

Veterinarian

Published on July 13th, 2019

Poor Oscar, I suspect he might be suffering with kidney disease. This is a common cause for increase thirst and urination in elderly cars. In order to stop progression of kidney disease you should not give him metacam anymore and opt to have a different form of pain relief. It is hard to answer your question, in a way his body is shutting down but it might take a week to get worse and another 3-5days for him to go. During those 5 days he will not eat, he will probably vomit and be in pain as not allowed to have/not taking his medications. My suggestion is to try to do something with your vet to help him feel better and if he should continue to deteriorate, not eat /drink a lot then let him go peacefully. Hope this makes sense, sending you positive thoughts
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