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Bayer Advantage II Flea Drops for Extra Large Dogs - 6 Pack

About this product

Product Identifiers

BrandAdvantage
MPN5420321
UPC0724089617828
eBay Product ID (ePID)1822871551

Product Key Features

EPA Registration Number11556-144

Ratings and reviews

4.8
334 product ratings
  • 297 users rated this 5 out of 5 stars
  • 22 users rated this 4 out of 5 stars
  • 10 users rated this 3 out of 5 stars
  • 2 users rated this 2 out of 5 stars
  • 3 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Most favourable review

    Really Works!!

    This product was highly recommended by my vet. We had a severe flea epidemic in and around our home. I placed it on my pets and within an hour the fleas were dropping off and dying. We were amazed at the speed and effectiveness of using Advantage II. We also treated the house and now the fleas are under control. Any new ones hatching out are dying quickly after jumping on pets. We will continue to purchase this product in the future because it really works. We highly recommend this product!!

    Verified purchase: YesCondition: New

  • Most critical review

    What happened?

    I love this product. I have had dogs all my life. Right now I have 5. Each came to me by way of Rescue.. Advantage II has always worked for me. It kept the fleas at bay and the dogs from scratching. Here of late though, it is not working. I buy for the the size of the dogs. Everyone gets a flea bath the night before I put the stuff on. With in 2 days they are all full of fleas again. I know how to apply the spot on meds. So I am left wondering, What Happened??? Is the stuff I have been buying so out of date that it no longer works? Did they change the formula so it is not effective anymore? What Happened?

    Verified purchase: YesCondition: New

  • i have bought good medication of this brand but the last i purchaced ot was like the fleas had a family reunion and every branch of the family came.

    really crappy quality in those tubes

    Verified purchase: YesCondition: New

  • Works great

    With directions from my vet, I actually use a small dose of this flea treatment on my cats. They don't like the initial treatment, but it does work for about 3 weeks.

    Verified purchase: YesCondition: New

  • Works great on rabbits ferrets and cats just use a little based on their weight

    Got this for my animals because we have a lot of them, one pack of this does 2 or 3 doses for 3 cats 3 ferrets and a rabbit. There seems to be no ill effect on the animals and we are flee free for 20$.

    Verified purchase: YesCondition: New

  • K9advantix II Works for me Every Time on Any Dog for a Full Month!

    Have used K9advantix II for quite some time and it always works. I apply as directed per the size of the dog. Some dogs may have a itch reaction, but it usually subsides within a week. It not only repels and kills fleas and ticks, it also repels and kills mosquitoes and flies. (Great if you don't have your dog on Heartguard). I've noticed when my dog is standing near other dogs that are nipping at small flies that my dog is not even bothered! (Plus, he's better protected from mosquitoes than me!) I always recommend this product because it's waterproof and really does work for the entire month. No ticks or fleas!

    Verified purchase: YesCondition: New

  • Great product for dogs and cats

    This product works great on dogs and cats, says no cats but it is the same ingredients as the dogs, have been using this for years on both. I buy the Large dog size and cut the tops off and pour in a old medicine vial then I use a 3cc syringe to suck it up. Cats I put about 1/2 a cc which is 1/2 of 1 cc . It does does not take much and use about this much on my little dogs too. Larger dogs I use about 2cc and NEVER DO THEY HAVE FLEAS and it last way longer. Advantix I use only on the dogs as this is not to be used on cats but use this when ticks are bad. Great Products to use.

    Verified purchase: YesCondition: New

  • Been working for years

    We've been using this product (the original Advantage) for our cats for more years than I can remember. We find each vial has enough to do 5 cats. Don't take my word for it, Google, "how many drops of advantage for cats?". And its been working with no ill effects. Wally was with us into her early 20's. At times it seems we collect cats, or rather they collect us. We just hit the point where more than half have a clipped ear, they were neutered as feral cats and then changed their minds and decided to become semi-domestic. At any rate, if one has fleas, all have fleas unless we use some sort of flea control. This the most economical way we've found to date.

    Verified purchase: YesCondition: New

  • It's for Cats Too.

    I pour these tubes into a tiny glass vial. Then I use a needle-less syringe to draw up a cat-sized dose depending on the cat's weight. I apply it to my cats. I save a lot of money this way. Advantage 2 for dogs has exactly the same ingredients as the flea medicine for cats. (Do NOT do this with other brands of dog treatment. Always check labels first... and learn how much your own cat needs before applying it.) I've used Advantage 2 for many, many years. It has never failed my cats. They simply do not get fleas. I've never had a flea in my house. I treated my neighbor's flea-bitten dog last month. The poor creature was crawling with flea. After Advantage 2, the fleas were gone the next day. My neighbor has given up on the useless cheaper flea medications that don't work.

    Verified purchase: YesCondition: New

  • This flea product works.

    My cat and dog had fleas for months. I kept trying cheaper products but this is the only product that works. My vet told me that the class are developing a resistance to the other flea medicines, even the other expensive flea meds. She recommended Advantage II and she was right. It works!

    Verified purchase: YesCondition: New

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