Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 2-Monthly Treatments
Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 2-Monthly Treatments
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Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 2-Monthly Treatments

4.4 stars out of 4479 reviews
(4.4)|
4,479 ratings
Size:9 lbs+
Multipack Quantity:1
Count Per Pack:2

About this item

  • Advantage II Large Cat is a leading brand in cat flea treatment and prevention for large cats over 9 lbs., at least 8 weeks of age
  • Vet-recommended, easy-to-apply monthly topical treatment – no hard-to-swallow pills, no prescription needed
  • Delivers total flea protection – kills adult fleas, flea larvae and flea eggs through contact
  • Same-day effectiveness – kills fleas within 12 hours of application and keeps working for 30 days
  • Fragrance-free formula, waterproof after 24 hours of application

At a glance

Brand
Advantage II
Animal type
Cat
Weight range
9 lb
Pet size
Large
Minimum weight
9 lb
Parasite type
Fleas
Current price is $33.5823.3 ¢/oz
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Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs , 2-Monthly Treatments
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current price $33.58
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Comparison Chart:
Animal typeCatAdvantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs , 2-Monthly TreatmentsCatFRONTLINE Plus for Cat & Kitten Flea & Tick Spot Treatment, 3 CountCatADAMS Botanicals Flea & Tick Cat & Home Spray, for Cats and Home, 16 Fl Oz
Weight range9 lbAdvantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs , 2-Monthly TreatmentsSmallFRONTLINE Plus for Cat & Kitten Flea & Tick Spot Treatment, 3 CountN/AADAMS Botanicals Flea & Tick Cat & Home Spray, for Cats and Home, 16 Fl Oz
Pet sizeLargeAdvantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs , 2-Monthly TreatmentsSmallFRONTLINE Plus for Cat & Kitten Flea & Tick Spot Treatment, 3 CountAll SizesADAMS Botanicals Flea & Tick Cat & Home Spray, for Cats and Home, 16 Fl Oz
Minimum weight9 lbAdvantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs , 2-Monthly Treatments1.5 lbFRONTLINE Plus for Cat & Kitten Flea & Tick Spot Treatment, 3 Count-ADAMS Botanicals Flea & Tick Cat & Home Spray, for Cats and Home, 16 Fl Oz
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Items may be delivered on different dates

Customer ratings & reviews

4.4 out of 5 stars
stars4,479 ratings1,631 reviews
How item rating is calculated

Reviews summary

Pros
  • : Application process is straightforward.
  • : Works on both cats and dogs.
  • : Provides quick relief from itching within hours or days.
  • : Reduces or stops scratching in cats.
  • : Pricing is comparable to or lower than others.
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Showing 1-3 of 1,631 reviews
Mar 8, 2025
Katheryn
Top Reviewer
Item details
Size: 9 lbs+
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars review

Verified Purchase

The Best Flea Killer For A Big Kitty

I love the way this product takes care of my big boy! He knows when it is time for more, and he will stay in for a day because he cannot go out and get wet for 24 hrs after. He does it on his own. He is probably the smartest cat I have ever had, and I have had several for many years. I spent a lot of money on various flea remedies, and none worked on him. Advantage was great for some of my other animals, so I tried this one because my kitty is a big boy. It WORKS! No fleas, finally, after putting him through all those other sprays, pills, etc. So, I still need a tick killer cuz when I used this product, it was not enough! He is a 2 yr old that goes out and in every day. I got a tick collar, and he does well now without all the bugs. There is no smell either. The little vial that comes with the medication inside is REAL easy to apply. It is so easy to use; I love it. Just open the package, get the vial and put it on the cat's neck after pulling fur back. It may tickle the kitty for a minute or so. Also, it is normal that some liquid drains into the fur, but no worries.

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Oct 23, 2025
Maureen
Item details
Size: 5-9 lbs
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars review

Verified Purchase

No more fleas. Happy cats.

I have used the other name brand for years. It is now starting to fail. It didn't even last for three weeks. So I decided to try Advantage II. I use this on all three of my cats as we recently somehow got a flea infestation. It worked wonderful. My cats have all stop scratching, and I can't find a single flea on them. I have found many dead fleas around their water dishes, but no life please. It works great and I definitely recommend this product.

Helpful?
Aug 7, 2023
Lynn
Item details
Size: 5-9 lbs
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars review

Verified Purchase

Fleas gone in 30 minutes!

I used this for fleas on my kitten when she became my little Gracie Pearl!! Within 30 minutes, she was not scratching!! I am serious!! And 3 weeks later it is still going strong! It did not make her sick. She was able to sleep peacefully for the first time after her treatment! There is another one in the box that will save in case a flea invades our home! This is an awesome product!!

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