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What's the difference between Revolution Blue and Purple for cats?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 9.3 lbs

I use Revolution on my cat monthly. The vet used to give me Revolution Blue...but this time I was given Revolution Purple. What is the difference between the two??

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on May 30th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Revolution for cats in the blue box is for cats weighing 5.1-15 lbs and the purple box is for cats under 5 lbs. I would read the weight range on the box to be sure you got the right one. Have a good night

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