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My cat is skinny after fleas. What food helps her gain weight?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 1 year and 9 months old | 6.3 lbs

How do I fatten up my cat from having fleas, is there a certain type(s) of food I can give her?

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on July 11th, 2018

I would recommend feeding regular adult food and just giving her a bit more than you typically would. She should gain weight pretty quickly if the flea burden is gone. It is a little unusual for a healthy adult to lose weight from fleas, unless her nutrition was also poor or she had a another underlying disease. If she is not gaining weight with the increase in calories you may want to check in with your veterinarian to make sure there isn't something else going on.

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