Petco Text Logo
Petco Pet Logo
  • Two Easy Ways to Start Earning Rewards!

    rewards header
    Become a member today!
    Members-only pricing and offers, personalized care notifications, Vital Care points back on every purchase and more!
    Petco Pay LogoBecome a credit card member today!

    Earn 2X Pals Rewards points at Petco
    when you use Petco Pay!

    APPLY NOW
    Learn More About Petco Pay Benefits

My cat ate another cat's methimazole and prednisolone. Is he okay?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 4 years and 10 months old | 15 lbs

My cat accidentally took my other cats pills. 2.5mg of methimazole and 1.25mg of prednisolone.

1 Answer

Most Helpful Answer

Published on September 20th, 2018

That should not cause any damage or severe toxic effect. I would just monitor him at this stage but I would definitively recommend a veterinary check up if you notice diarrhoea, vomiting, lethargy or inappetence.

Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.
Vote Icon9Pet Parents found this answer helpful

Smart Picks for Smart Questions

Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Share

Styled arrow button