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Biting fleas can make your dog miserable.

Fleas don't just make your dog itchy – they keep biting and hurting, again and again.

Advantage® II for dogs kills fleas through contact, so you can help protect your dog from fleas that can cause painful bites.

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Advantage® II for dogs

Advantage® II for dogs is a convenient, waterproof, monthly topical solution that kills fleas through contact. Fleas do no have to bite your dog to die. Also kills chewing lice.

Advantage® II for dogs kills fleas through contact. Fleas do not have to bite your dog to die FLEAS
Advantage® II for dogs kills chewing lice chewing lice
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Advantage® II for dogs weighing 21-55 pounds packaging
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Give back the love they give you.

Dogs are loyal, dependable and loving. And you want to return all of that devotion by taking great care of them – especially when that means help to prevent fleas.


With oral flea medications, fleas have to bite your dog and be exposed to the medication in the pet before the fleas are killed.

Advantage® II for dogs flea preventive is applied to your dog topically and kills flea eggs, flea larvae and adult fleas through contact with your treated pet. Fleas do not have to bite your dog to die.

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Save today on Advantage® II for dogs.

Help protect your dog from fleas – for less.

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Don’t give fleas a biting chance.

Did you know that adult fleas can come into your home on people's clothing, or other pets – and you may not even know it?

Advantage® II for dogs works all month long to break the flea life cycle, so you can help protect your dog from biting fleas.

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A veterinarian-recommended solution for 20 years.

Imidacloprid, a key ingredient in Advantage® II for dogs, has been shown to be effective in killing fleas. Bayer is the only animal health company to continuously monitor the effects of an ingredient on fleas, and publish the results through the Bayer Flea Susceptibility Monitoring Program.

It’s just one more reason to choose Advantage® II for dogs

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A single flea can lay up to 50 eggs a day.1

Your pet can then scatter those eggs all over your home simply by scratching, shaking or walking, which means that fleas and their eggs can easily infest your home. That’s how just a few fleas can quickly become hundreds.

Using Advantage® II monthly on your dog can help you break the flea life cycle by inhibiting the fleas' ability to reproduce. Once you have a flea infestation, you may want to consider treating the source of the infestation in your home and yard too.

LEARN WHY THIS MATTERS

1 Dryden MW. (1989). Host association, on-host longevity and egg production of Ctenocephalides felis felis. Vet Parasitol. 34(1-2):117-22.

  • HELP PROTECT YOUR PET

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    Advantage® II for dogs

    Start your comprehensive flea infestation plan with Advantage ® II for dogs. It kills fleas through contact, so fleas don’t have to bite to die.

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  • HELP PROTECT YOUR HOME

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    Advantage® Carpet & Upholstery Spot Spray

    Add another tier of protection, with Advantage® Carpet & Upholstery Spot Spray. It kills fleas, brown dog ticks, dust mites and bed bugs.

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  • HELP PROTECT YOUR YARD

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    Advantage® Yard & Premise Spray

    Don’t let flea prevention stop at your front door. This third level of protection kills insects, fleas and ticks around the perimeter of your home, and on your deck and patio.

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You don't see 95% of the problem.2

The flea life cycle consists of four stages: egg, larvae, pupae and adult. But the adult fleas you see are only the beginning.

In an existing flea infestation, adult fleas only represent around 5% of the full infestation. That means that 95% of the infestation consists of life stages such as flea eggs and flea larvae that can be almost invisible to the naked eye.2

Preventing an infestation means breaking the flea life cycle. One way to do this is by choosing a product with an Insect Growth Regulator – like Advantage® II for dogs – to target immature stages and help keep fleas from successfully reproducing.

2,3 Grace SF. Fleas. In: Norsworthy GD, Crystal MA, Grace SF, et al, eds. (2006). The Feline Patient. 3rd ed. Ames, IA: Blackwell Publishing; 106-107.

Advantage® Carpet & Upholstery Spot Spray, Advantage® Yard & Premise Spray, Advantage® Household Spot & Crevice Spray, and Advantage® II for dogs weighing 21-55 pounds packaging

Find a retailer near you to help treat a flea infestation now, and help prevent one in the future.

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Did you know that Advantage® II is also available for cats? SEE ADVANTAGE® II FOR CATS