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Why is my old cat losing weight even though she has a good appetite?

Updated On September 23rd, 2025

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

My cat eats and drinks, but is very skinny... i can feel her bones. She is 15

2 Answers

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on January 28th, 2019

Thanks for using Petco Pet Education Center, formerly Petcoach! A good appetite with weight loss are classic signs of a condition that is somewhat common in cats known as hyperthyroidism. This is usually very easy to diagnose and treatment is somewhat straightforward. Other possibilities such as gastrointestinal disease, among others are possible. I recommend that you have Isabelle evaluated by your veterinarian for further assessment and treatment. They would be able to check for this possibility and treat Isabelle accordingly. Good luck and best wishes!

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18Pet Parents found this answer helpful

Other Answers

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    Answered By Lindsey Edwards MVB, BSc, IVCA

    Veterinarian

    Published on March 31st, 2017

    No it is not normal for a cat to be so skinny at any age - I recommend a full health check and blood panel by your vet to rule out medical causes especially thyroid disease and diabetes which can cause weight loss despite a good appetite.

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    1Pet Parents found this answer helpful

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