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  • Bayer Advantage II, Small Cat, 5 to 9-Pound, 4-Month
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Bayer Advantage II Flea Control Treatment for Cats

by Bayer
| 4 answered questions

List Price: $52.06
Price: $38.91 & FREE Shipping
You Save: $13.15 (25%)
In Stock.
Ships from and sold by USpets.
5 to 9-Pound
4-Month
  • Kills adult fleas, eggs and larvae
  • Remains effective even after swimming or shampooing
  • One treatment prevents further flea infestation for at least four weeks
  • Packaging may vary
11 new from $38.91

Frequently Bought Together

Bayer Advantage II, Small Cat, 5 to 9-Pound, 4-Month + Bayer Advantage II, Extra Large Dogs, Over 55-Pound, 4-Month
Price for both: $82.90

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Product Details

Size: 5 to 9-Pound | Pattern Name: 4-Month
  • Product Dimensions: 6.5 x 1 x 4.2 inches ; 0.8 ounces
  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B004QRHSU8
  • Item model number: 4461669
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (2,549 customer reviews)
  • Amazon Best Sellers Rank: #4,431 in Pet Supplies (See Top 100 in Pet Supplies)
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Product Description

Size: 5 to 9-Pound | Pattern Name: 4-Month

Rid your home of pesky fleas with Advantage II, a fast-working, month-long flea control for your pet. Kills fleas, eggs and larvae. Killing fleas quickly is important, as it prevents them from laying eggs and helps reduce the risk of secondary problems, such as flea allergy dermatitis and tapeworms. Advantage II stops biting fleas in less than 5 minutes, over 99 percent of flea larvae within 20 minutes, at least 98 percent of fleas within 12 hours, and 100 percent of chewing lice in just 1 week. Each application of waterproof Advantage II keeps your cat free of fleas for a full month. Flea bites can cause discomfort for your pet, lead to skin infections and allergic skin reactions causing irritation, and can even transmit other disease-causing organisms. Safe for all cats 8 weeks or older that weigh 0-9 pounds. Includes a 4-month supply.

Customer Reviews

This works so, so well at getting rid of the flea infestations on my cat.
Lealorali
And seems to work for a shorter time - now 3 weeks instead of a month for one indoor cat!
rad
Other brands in the past have just been a waste of money but, this one works!
Upstate Home Theater Guy

Most Helpful Customer Reviews

237 of 246 people found the following review helpful By Calla on July 9, 2011
Pattern Name: 6-MonthSize Name: Over 9-Pound Verified Purchase
I have several cats -indoors and out- and all of them ended up with fleas this year. In the past Frontline has worked just fine, but not this year. It seems like this year has been a horrible year for fleas, either because the fleas are simply worse or older flea preventatives and treatments aren't as effective. After talking with other pet owners I decided to try Advantage.

Two of my cats are very allergic to flea bites and were looking and feeling pretty bad until I used Advantage. Within a day of treating all of the cats, there were fewer live fleas on the cats and most of the remaining fleas were dying. I have to note that none of my cats had any allergic reaction from the treatment. A couple of them scratched and licked as fleas came up to the surface, but I kept combing the dying fleas out and the scratching/licking stopped fairly quickly. It's been a week, and the two who are allergic to flea bites are looking better, and none of the cats are licking and scratching.

Of course, I treated the carpets and furniture and pet bedding and sweep the floors regularly, so combined with the Advantage treatments, the flea infestation is now under control. Let's hope it stays that way!

An added bonus for me was that each tube of Advantage opened quietly and application was easy. The flea drops also didn't have a strong smell, unlike some other treatments I've used. That helped out a lot - no tracking down the cats or coaxing them from underneath furniture.

(I used both Advantage II for cats under 9 pounds and over 9 pounds. This review is the same for both doses.)
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152 of 161 people found the following review helpful By J. Cook on July 2, 2011
Pattern Name: 6-MonthSize Name: Over 9-Pound Verified Purchase
We have been an Advantage family for years. I help foster animals for a rescue and one of my new guys came in with fleas, which quickly spread to the rest of the crew. A day after applying Advantage to everyone and they were flea free. 2 of my fosters are under the 9lb limit for the purple pack, so I looked up the specs of the orange pack and it is just 1/2 a dose of the purple. I just split one of the tubes between the 2 petite cats and everything worked out without having to buy an extra box.
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135 of 145 people found the following review helpful By Noam Chomsky on June 21, 2011
Pattern Name: 4-MonthSize Name: Over 9-Pound Verified Purchase
Bayer Advantage II Purple 4-Month Flea Control for Cats 9+ lbs.

Great stuff works quicker then the older Advantage. I have an older cat with thinning hair and in less then 5 minutes fleas were surfacing but unlike the older stuff these fleas weren't dizzy and in their last throws they barely made it to the top of his thin hair and died. Great stuff and my cat hasn't scratched since.

Also this may only apply to a select few but the tubes when you open them are silent now instead of making a little noise. I write this because my cat became very aware of this sound and knew it was coming, hated it, hated me for a week, and tried to lick it.

This time with a little milk and my silent tube I was able to apply it to his neck without him knowing.
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35 of 37 people found the following review helpful By Alexa on November 9, 2011
Pattern Name: 4-MonthSize Name: Under 5-Pound
I got my kitten Mila at 4 weeks, she was abandoned by her mother on my friends patio so I took her in :) She was covered in fleas, that gave her worms. There was nothing I could do until she was 8 weeks old, I gave her so many baths and flea combed her and even went kinda risky at 6 weeks and washed her with some clove oil but nothing. I put out flea traps, the whole 9 yards. The DAY she turned 8 weeks I had this at my door and put this on. For the following...maybe 2 weeks I saw maybe 1-2 fleas but they looked almost dead (I'm guessing they don't poof and disappear when dead lol) but after that I haven't seen one yet. This is month 2 of the applications,and she is happy and fluffy and she never scratches anymore. Thank you Advantage! it was breaking my heart to see such a young kitten suffer.
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141 of 165 people found the following review helpful By ADT944 on April 4, 2012
Pattern Name: 6-MonthSize Name: Over 9-Pound
I have been a cat fancier for almost 40 years so I do have some experience on this subject. I currently care for 4 indoor cats that have been inside their entire lives. Two males weighing about 14lbs and two females weighing 10 and 12 lbs. They just turned 5 years old, are litter mates and are spayed and neutered.

I have used original Advantage on them for years with fine results. However, I CANNOT say the same for Advantage II.

It appears Bayer's patent expired on original Advantage so they concocted the new and "improved" Advantage II. Well, the hair on the back of my cats' necks falls out where the Advantage II makes contact with their skin about 2 days after I apply it. And, they keep scratching as if they have fleas. This NEVER happened with original Advantage.

This occurred both times I used Advantage II to all 4 cats so I know the first application was not a fluke. I am not happy with the new Advantage II and am looking for an alternative. It obviously is causing harm to my cats and is not as effective. This has been my experience. Your mileage may vary.
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131 of 157 people found the following review helpful By Mike1984 on June 5, 2011
Pattern Name: 6-MonthSize Name: Over 9-Pound
The first couple of days after applying this product to my cats it seemed to be working great. Especially for my cat who seems to be very sensitive to fleas. However today I watched one of them fall off a fairly tall piece of furniture twice (something he is on every day and has never fallen off of before) and strangely like he went limp or something. Then a little while later I watched as my other cat who was just standing on the floor fell with her back legs slamming together and her front paws trying to get a grip. Then I read on a few different websites that it has been found that in RARE occasions this product can have neurological effects. I then found two people on yahoo answers claiming this same phenomenon happened (back legs going out) when they gave their dogs advantage. If this is so rare.. what exactly is the probability that it would happen to both of my cats? I won't risk using this product again.
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