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Can I use Capstar for fleas between Revolution doses safely?

Updated On September 23rd, 2025

Pet's info: Cat | Sphynx | Male | neutered | 1 year and 11 months old | 7 lbs

Ron has fleas despite having his usual dose of revolution. It’s too soon to apply another dose but I’m wondering if I can use capstar in the meantime?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 23rd, 2019

Great question! Yes, you can use Capstar now, and it's safe to use daily until it's time for his next dose of Revolution. Keep in mind that fleas live in the environment, not on the cat, so if you haven't disinfected your home, it will be a continuing source of fleas. I will give you information on how to disinfect your home. Wash Ron's bedding in hot soapy water, and vacuum the furniture and carpet surfaces. You can use a spray to kill fleas in the house, such as Indorex, or a flea bomb would work well to kill the fleas in the home. I hope this helps!

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