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My dog's Seresto collar isn't working. Can I combine flea treatments?

Updated on September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Male | neutered | 15 lbs

I put a soresto flea collar on my dog that doesn't seem to be working. Can i put activyl topical on him as well?

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on December 4th, 2019

No, it's not recommended to combine those. Take the Seresto collar off, and I can give you a flea treatment program for Indi. First, I would give him Capstar. It's a one time pill that starts killing fleas within 30 minutes. Then follow up with a spot on treatment, such as Advantage or Revolution. This is a treatment that has to be used once a month. You will also have to disinfect the environment. Wash his 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.
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