My cat's flea medicine isn't working. Should I use a flea collar?

Question

We put a flea medication on our cats that didn’t do anything at all and a few weeks later got advantage. The fleas aren’t dying and we were looking at getting a flea collar. Do we need to wait until next month to do this? Pet's info: Cat | Mixed Breed | Male | neutered | 3 years and 2 months old

Jennifer Summerfield, DVM CPDT-KA · Accepted Answer

I'm sorry to hear you've had trouble finding an effective flea med! Most over-the-counter options are not very effective in my experience, including Advantage - although it's probably the best of the currently available OTC options! Flea collars do not work well, and can often be toxic to cats. Instead, I would recommend getting a prescription flea medication like Revolution or Bravecto from your veterinarian. This will be safe for your kitty, and much more effective. If it's been at least 1-2 weeks since you applied the Advantage, it should be safe to go ahead and use a new medication from your vet.

My cat's flea medicine isn't working. Should I use a flea collar?

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