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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?

2 Answers

Most Helpful Answer

Dr. Melanie, BVSc MS

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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Related Answers from Veterinarians

  • Answered By Ricardo Fernandez, DVM

    Veterinarian, Veterinary Oncology Resident

    Published on August 1st, 2018

    Thanks for using Petco Pet Education Center, formerly Petcoach! You can actually use Capstar daily to every other day to effect so yes you can go ahead and give it. Remember to also comb her hair to remove the dying fleas and also vacuum all the surfaces that have contact with Jackie. Good luck and have a good night!

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    1Pet Parents found this answer helpful

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