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Bayer Animal Health

Advantage II Flea Prevention for Cats

$42.99$43.99across 9 retailers
Model: 81520224Color: purple,white,greenUPC: 724089616852
Available at Amazon
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Prices last updated: April 8th 2026 12:27 am

Pros

  • β€’Kills live fleas, eggs, and larvae effectively, often showing noticeable results within 24 hours.
  • β€’Easy to apply without needing to restrain the cat or part the fur extensively.
  • β€’Absorbs cleanly into the skin without leaving any oily residue or strong chemical smell.
  • β€’Does not cause skin irritation or adverse reactions in most cats.
  • β€’Provides lonasting protection, typically requiring just one application per month.
  • β€’Veecommended formula with an established safety history.
  • β€’Significantly reduces scratching and fleelated discomfort, improving the cat’s overall comfort and behavior.
  • β€’Works well even on cats with long fur when applied properly to the skin.
  • β€’Can be used in combination with other flea treatments (like Capstar) for faster flea elimination.
  • β€’Helps calm both cats and owners during the stressful flea treatment process.

Cons

  • β€’Some cats may experience brief increased grooming or mild agitation right after treatment (especially if combined with Capstar).
  • β€’Occasional scratching can occur before the next treatment, even if no live fleas are found.
  • β€’Effectiveness depends on proper application directly to the skin, which might be trickier for very fluffy cats.
  • β€’May require consistent monthly use to keep fleas fully under control.
  • β€’Not all cats react the same way; a test dose is sometimes recommended before full application.

Bottom Line

Advantage II Flea Prevention for Cats over 9 lbs is a well-regarded, fast-acting, and easy-to-use flea treatment that offers reliable and long-lasting flea control with minimal side effects. Its clean absorption and lack of strong odors make it a favorite for both cats and owners. If you're looking for a solid, vet-approved flea prevention option that works quickly and comfortably for your larger cat, this is a great choice. For those wanting to speed up flea elimination even more, using it alongside a Capstar pill is an effective strategy. If you want to compare other options or confirm the best price, we have all the details ready for you.

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What Reviewers Are Saying

Praised
works quickly50%
very easy to apply50%
stopped scratching50%
no adverse reactions50%
fast relief25%
remedy for fleas50%
peace of mind25%
happy cat25%
effective treatment25%

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