Advantage II for Dogs

Item #0040154

$43.99 to $67.99

Advantage II for Dogs

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Bayer Advantage II for Dogs is a once-a-month, waterproof, topical for treatment of fleas and lice in dogs and puppies 7 weeks and older. Read More

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Featured Advice from Our Experts


Canine Wellness Series - Part 3 - Zoonotic Diseases... What can I catch?

At one time or another, most of us have watched our dogs have a bout of the sniffles or diarrhea. Many of us have wondered if we, too, were at risk of getting sick. Diseases that are passed from animals to humans are zoonotic illnesses. The most well known and most feared zoonotic disease is rabies. Read More...


Advantage II for Dogs

Advantage II for dogs controls existing flea infestations on your dog and prevents further infestations from occurring. Advantage II contains 9.1% Imidacloprid, plus an insect growth regulator Pyriproxyfen and works on contact, so that fleas don’t have to bite your dog to die.

Advantage II Features & Benefits:

  • kills 98-100% of all life stages of fleas within 12 hours of application
  • prevents further infestations for up to 4 weeks
  • kills lice
  • waterproof formula remains effective after swimming and bathing

For dogs over 7 weeks of age. Do not use on other animals.

Note: For maximum effectiveness, you should not bathe your pet 48 hours before or after application. The oils of the skin and coat help to distribute the product properly, ensuring that the product will be effective.

View Advantage II for Dogs manufacturer and label information

If you find a lower price on a product, with an identical brand and model number, Jeffers will match the competitior's price!

Call for details! (800)533-3377


  • Brand: Bayer Animal Health
  • Type: Flea & Tick
  • Form: Spot-On
  • Ingredient: Imidacloprid

Reviews (5)

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  1. 5.0 out of 5 stars

    "The best"

    I'll be brief; It's the only flea medication I use. Nothing works as well. And we used to have a pet supply store ourselves. We have 15 house cats and 2 german shepherds so we need a product that really works.

  2. 5.0 out of 5 stars

    "Prompted Shipping"

    I've this product for several years, however this is the first time I purchased by mail. What pleasant surprise when I found Jeffers on line. The product was exactly what I ordered, the cost was much lower than there was not shipping cost. I was most surprised when it arrived in mail box in just a few days after I ordered.

  3. 5.0 out of 5 stars

    "The best"

    We have large shepherd/ lab mixes and this is the only product that repels fleas and ticks. One dog is allergic to the bite of fleas and this product is the only one that works. We never see ticks either.

  4. 1.0 out of 5 stars


    My dog suffered with a lot of bites using Advantage II, not as effective as what I have used in the past. It was the first and last time purchasing this product.

  5. 5.0 out of 5 stars

    "love this med."

    i don't buy anything else.this does a fine job for any dog.I've tried all kind of potions and other brands.nothing does a better job of keeping insects away.i never have to worry about my dog.she's protected from all of the nasty daughter uses it on her dogs too.

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