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Is it okay to give my cat dewormer that expired a year ago?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 4 lbs

Can I give my cat dewormer that expired a year ago?

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on August 26th, 2017

Hello, & thank you for using Petco Pet Education Center, formerly Petcoach. I would recommend purchasing another dose for Alessio. It is not that there might be any harm in using an out of date product, but it might not have the same potency & thus leave him still having worms. Take care.

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