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Cat still has ticks after Advantage Multi. What's safe to use now?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 10 years and 5 months old | 12 lbs

About a week and a half ago I treated my cat with his monthly dose of Advantage Multi, but now, he's coming home with ticks daily. Since Advantage 2 treats ticks, I Wrongly assumed that he would still be covered when moving up to multi. What can I use to prevent/kill the ticks? Is it too soon to treat with Frontline or Advantage 2? What other options are there?

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on October 14th, 2019

Yes, it's too soon to apply another topical medication. I suggest try a Seresto Collar (not Hartz or any of those other OTC collars). You can put that on now and it is good for 8 months for both fleas and ticks. Read the instructions to make sure you put it on correctly.

( https://petco.com/shop/en/petcostore/product/seresto-flea-and-tick-collar-for-cats )
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