Advantage II for Cats
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At a Glance
Waterproof topical solution that protects your cats from flea infestation by disrupting the flea's life cycle
Active ingredient imidacloprid paralyzes and kills the adult fleas through contact
Active ingredient pyriproxyfen is an Insect Growth Regulator (IGR) that prevents normal growth in immature fleas to become adult fleas and disrupts proper hatching of flea eggs
One easy-to-use topical monthly application lasts for 30 days
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Rated 4.5 out of 5 by 376 reviewers.

  • Works great
    I have used Advantage II for cats for a number of years - it works great for fleas, my only desire is if it would work for ticks as well. My kitties have not had an issue with fleas or a skin reaction while using this - they have had reactions to other flea meds. by on 08/04/2020
  • Had a flea infestation, works wonders
    I had fleas all over my house and all over my 5 indoor-outdoor cats. After advantage II, the fleas literally disappeared from my animals within days. It helps with fleas in the environment for sure, but it won't get rid of the environmental fleas so you'll have to get an environmental flea killer. by on 03/10/2020
  • Flea medication
    I find Advantage II very effective in preventing fleas. I had used Frontline for many years and it just wasn't doing the job. After changing over to Advantage II, I can honestly say that I have had no problems with my (2) cats and fleas. Both of my cats are indoor/outdoor cats who live in Florida with plenty of sand fleas. This product does the job! by on 01/29/2020
  • fleas
    I love this product...we are overloaded with fleas in our yard this year and Advantage II have been wonderful. If I see one flea on our cats, with in minutes it is dead. by on 07/17/2019
  • Works Great
    My cats go outside, Keeps all my cats flea free. by on 06/22/2019
  • Advantage II for Cats
    This was very easy to use and protected my cats very well. Price was great. by on 03/12/2019
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