Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 1-Monthly Treatment
Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 1-Monthly Treatment
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Advantage II

Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 1-Monthly Treatment

|7,709 ratings
Advantage II Vet-Recommended Flea Prevention for Large Cats 9 lbs+, 1-Monthly TreatmentAdvantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 1 Monthly Treatment4 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 4 Monthly Treatments4 pack Advantage II Vet Recommended Flea Prevention for Kittens Cats 2 5 lbs 2 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Small Cats 5 9 lbs 6 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Small Cats 5 9 lbs 2 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 2 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Kittens Cats 2 5 lbs 2 Monthly Treatments2 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 4 Monthly Treatments3 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 2 Monthly Treatments2 pack Advantage II Vet Recommended Flea Prevention for Kittens Cats 2 5 lbs 2 Monthly Treatments4 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 1 Monthly Treatment3 pack Advantage II Vet Recommended Flea Prevention for Kittens Cats 2 5 lbs 2 Monthly Treatments2 pack Advantage II Vet Recommended Flea Prevention for Small Cats 5 9 lbs 6 Monthly Treatments3 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 1 Monthly Treatment2 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 6 Monthly Treatments4 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 6 Monthly Treatments3 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 6 Monthly Treatments3 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 4 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Small Cats 5 9 lbs 1 Monthly Treatment2 pack Advantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 1 Monthly TreatmentAdvantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 6 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Small Cats 5 9 lbs 4 Monthly TreatmentsAdvantage II Vet Recommended Flea Prevention for Large Cats 9 lbs 4 Monthly Treatments
Size9 lbs+
Multipack Quantity1
Count Per Pack1

Key item features

  • 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

Specs

Brand, Advantage IIAnimal type, CatWeight range, Over 9 lbsPet size, LargeMinimum weight, 1 lbMax Weight, 999 lb

About this item

Product details

Deliver total flea protection to your cat or kitten with Advantage II Large Cat. This vet-recommended, topical treatment and prevention formula kills adult fleas, flea larvae, and flea eggs on contact within 12 hours of application - meaning fleas can be eliminated before they bite or lay new eggs. Effectively break the flea life cycle, control existing flea and lice infestations, and prevent further infestations with one simple application. Advantage II Large Cat flea protection is effective on both indoor and outdoor cats. Your cat should be at least 8 weeks old and weigh over 9 lbs. to use Advantage II Large Cat.
  • 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
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Brand

Advantage II

Animal type

Cat

Weight range

Over 9 lbs

Pet size

Large

Indications

Directions

Dosage

Monthly Topical

Instructions

Follow instructions on package

Ingredients

Warnings

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Customer ratings & reviews

4.4 out of 5 stars
stars
7,709 ratings2,200 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars74% (5,723)
  2. 4 stars12% (916)
  3. 3 stars5% (370)
  4. 2 stars3% (199)
  5. 1 star6% (501)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 2,200 reviews

Nov 4, 2026
Reviewer name: JoAnn
Top Reviewer
Item details
Size: 9 lbs+
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Advantage II Flea Prevention for Large Cats, 9 lbs

My cats were having a problem with fleas, and I was looking for something that would actually work. After using Advantage II, I noticed a tremendous improvement! The fleas were almost completely gone, and my cats seemed much more comfortable. I was very pleased with how effective this product was and how quickly I noticed a difference. Dealing with fleas can be frustrating, so finding something that works is a huge relief. Based on my experience, I would definitely recommend this product to other cat owners dealing with fleas!

Helpful?908bf4a0-bb13-11f1-a662-695ec49556ce198802464
Oct 12, 2026
Reviewer name: Alexis
Item details
Size: 9 lbs+
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Always Picking Vet Recommendations!

Brought a stray cat inside Friday night and noticed their frequent scratching so I had to order flea medicine asap! Arrived by Sunday just in time. 10/10

Helpful?908bf4a0-bb13-11f1-a662-695ec49556ce198802464
Nov 6, 2026
Reviewer name: Shirley
Item details
Size: 2-5 lbs
Multipack quantity: 1
Count per pack: 2
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Advantage ll is the best

I've tried other flea products but have found Advantage ll to be the best. No reactions and kills the fleas. Works beautifully.

Helpful?908bf4a0-bb13-11f1-a662-695ec49556ce198802464
Current price is $19.97$19.97/count
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