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K9 Advantix II Flea & Tick Treatment for Extra Large Dogs Over 55-lbs

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6 treatments
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  • 6 treatments
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Description

K9 Advantix II Flea Treatment for Dogs offers broad spectrum flea control and protection against ticks and mosquitoes, too. It is specifically formulated for dogs and comes in a convenient, monthly topical application that not only kills but also repels fleas, ticks and mosquitoes. K9 Advantix II also kills all life stages of fleas, repels biting flies and kills lice. It contains imidacloprid, permethrin and pyriproxyfen that work in concert to repel and kill parasites that can potentially transmit disease-causing organisms. K9 Advantix II is a flea treatment for use on dogs 7 weeks and older. Do not use K9 Advantix II on cats.

Key Benefits

  • Specifically formulated for dogs and comes in a convenient, monthly topical application that not only kills but also repels fleas, ticks and mosquitoes
  • Repels and kills ticks of all types including Deer ticks, American dog ticks, Brown dog ticks and Lone Star ticks
  • Prevents fleas on treated dogs from infesting your home
  • Kills fleas on dogs within 12 hours and continues to prevent infestations for a month
  • Contains imidacloprid, permethrin and pyriproxyfen which work to repel and kill parasites that can potentially transmit disease-causing organisms

Cautions

USE ONLY ON DOGS AND PUPPIES 7 WEEKS OF AGE AND OLDER AND WEIGHING 55 LBS OR OVER. DO NOT USE ON CATS. Do not get this product in dog's eyes or mouth. As with any product, consult your veterinarian before using this product on debilitated, aged, pregnant or nursing animals. Individual sensitivities, while rate, may occur after using ANY pesticide product on dogs. If signs persist, or become severe, consult a veterinarian immediately. If your animal is on medication, consult your veterinarian before using this or any other product. Keep out of reach of children.

Active Ingredients

  • Imidacloprid 8.80%
  • Permethrin 44.00%
  • Pyriproxyfen 0.44%

See all items by K9 Advantix II

  • Item Number
    74407
  • Brand
    Bayer
  • Breed Size
    Large, Giant
  • Lifestage
    Adult, All Stages

Instructions

How to open:

  • Be sure tube is at bottom of pouch.
  • Using scissors, cut the pouch across the top and remove tube.

How to apply:

  • Use only on dogs.
  • Remove applicator tube from the package. Use scissors and peel down foil.
  • Hold applicator tube in an upright position. Pull cap off tube.
  • Turn the cap around and place other end of cap back on tube.
  • Twist cap to break seal, then remove cap from tube.
  • The dog should be standing for easy application. The entire contents of the K9 Advantix II tube should be applied evenly on the top of the back from the shoulder to the base of the tail. At each spot, part the hair until the skin is visible. Place the tip of the tube on the skin and gently squeeze to expel a portion of the solution on the skin. Do not apply an excessive amount of solution at any one spot that could cause some of the solution to run off the side of the dog.
  • Discard empty tube.
  • In cases of severe pest infestations, retreatment is allowable earlier than 4 weeks. Do not retreat more often than once every 7 days. After pest control is attained, return to a monthly retreatment schedule.

Frequently Asked Questions

How is K9 Advantix II different from K9 Advantix?

With the addition of an insect growth regulator (IGR), K9 Advantix II kills all life stages of fleas. K9 Advantix II also prevents development of fleas, flea eggs, larvae (maggots), and pupae (cocoons), and prevents fleas on a treated dog from infesting your home.

What is the benefit of repellency?

Repellency helps prevent ticks, fleas, and mosquitoes from attaching, biting or feeding. A repelled parasite doesn’t bite or attach. If it doesn’t bite or attach, it can’t transmit the organisms that may cause disease.

What is the difference between K9 Advantix II and other tick and flea products?

K9 Advantix II repels and kills ticks, fleas, and mosquitoes. It repels biting flies and kills lice, too. Its repellency activity and broad spectrum make K9 Advantix II different from other tick and flea products.

Is K9 Advantix II waterproof?

Yes. There is no need to reapply the product after weekly swimming or a bath. For best results, use a non-detergent shampoo.

Can I use K9 Advantix II on my cat?

No. K9 Advantix II must not be used on cats because of a cat’s unique physiology and inability to metabolize certain compounds.

  1. K9 Advantix II Use & Care Instructions

Size

Dog Weight K9 Advantix II Volume
Under 10 lbs Small Dog 0.4 mL tube
11 - 20 lbs Medium Dog 1.0 mL tube
21 - 55 lbs Large Dog 2.5 mL tube
Over 55 lbs Extra Large Dog 4.0 mL tube

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Customer Reviews

661 reviews 661 Reviews 4.6 out of 5 Stars

95% Recommend

95% of reviewersrecommend this product

4.6 / 5
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  • HUGE Chewy fan! Hate this product

    By on

    Honestly I had 100% intentions of purchasing K9 Advantage! I some how easily was confused with the whole "ends with x or g". I had no idea I'd made the mistake tiI i'd opened the package. By this time my dog was miserable;(had been using something for a few yrs that stopped working this summer) I just didn't have the heart to make him wait till I'd be able to buy the stuff I'd originally planned! (All my neighbors are using the name with a G and all seam to be working well) Figured it's very close in just about everything so I used it. After a few days Rocky was not scratching, he was sleeping better, seamed happier. Just 8 days after use the scratching returned, back to fighting fleas. So upset Honestly I had 100% intentions of purchasing K9 Advantage! I some how easily was confused with the whole "ends with x or g". I had no idea I'd made the mistake tiI i'd opened the package. By this time my dog was miserable;(had been using something for a few yrs that stopped working this summer) I just didn't have the heart to make him wait till I'd be able to buy the stuff I'd originally planned! (All my neighbors are using the name with a G and all seam to be working well) Figured it's very close in just about everything so I used it. After a few days Rocky was not scratching, he was sleeping better, seamed happier. Just 8 days after use the scratching returned, back to fighting fleas. So upset with myself! Lesson...PAY ATTENTION! To many people trying to make a buck while cloaking themselves to good products hoping that, I(& you) Don't catch the screwup. Again- NOTHING TO DO WITH CHEWYS! They do their absolute best at being the best! Buyer be warned Advantix is not doing much in my neighborhoods! Would have been better trying to pick off and kill each little one that looked at my Pup: … more

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  • Very satisfied customer

    By on

    I am very well pleased with this product. I have used it before as a preventive, however this time was different. I live out in the country and it seems from one day to the next my dogs became infested. I called my local pet store to purchase this product as I have before. I have always purchased the 6pack. At my surprise the price of this was $30.00 more than what I paid online with chewy. I love the 2 day delivery. You have gained a lifetime customer. Thanks

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  • So glad my mommy found Chewy

    By on

    I'm so glad our mommy found Chewy! Our family was battling the mean ole flea gang. Mommy had bought advantage from many other places but it took so long to get here that we just kept missing the date. Thanks to this magnificent place on her handy dandy light up music box, our flea fighting meds arrive on time. We are now flea free and loving it! Thanks Bayer and Chewy. Your devoted pet pals. ..Celie Wiggle, Jay Walker, Ben J Man, Theory, Tootsie, Vanilla and Chevy Rose.

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  • Came with package damaged

    By on

    It's only been a few days, but this product seems to have been working with my dog which is fantastic because believe she is allergic to bug bites so she breaks out with rashes in addition to being itchy from the bites and it pains me to see her in constant distress. My only significant complaint is that it came with the package smashed and opened in the box it arrived in. I don't think the actual medicine was affected, but it did concern me.

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  • Using for 9 years

    By on

    I've been using Advantix on my dog her whole life. I live in an area that's known for "horse properties" so we end up with a lot of horse flies. Our previous dog (Advantix wasn't around yet) used to end up with fly bites on the tips of her ears. As far as I know, this is the only flea/tick repellent that also repels flies. Sure enough, never had a problem with fly bites on this dog. A few years ago was the first time we had to pull two or three ticks off of her. I called the manufacturer and was told that since it was a bad year/season for ticks, it's possibly for some to still bite. But, since that year we haven't found any other ones on her.

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  • Fleas are gone!

    By on

    The fleas are gone from all of my 3 dogs. Tried other products and they still had them. I had never had fleas before and I watched my daughter's dogs when she went on vacation and they gave all the dogs fleas! She told me she treated them a couple days before she brought them to my house. She should have treated them with Advantix!!!!!

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  • Waste of money

    By on

    Does not work! So I make a homemade flea collar soaked and then dried with essential oils and or I use food safe diatomaceous earth safe for pets and people. I also brush my dog with a cedar oil and diluted water fleas can't wait to get off, and much cheaper and safer in the long run, nothing toxic.

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  • It Really Works!

    By on

    I have an outside dog and we live in louisiana so theres a lot of misquitoes, nats, flies, and ticks. He started to get bumps all over his skin and he was itching real bad you could just tell he was miserable so i got him this medicine and it automatically started working and hes so much happier now!

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  • No more hot spots!

    By on

    Our girl has had terrible hot spots the past few summers. We never found any fleas but began to wonder if she was highly allergic to even a random bug bite. We decided to try this product this summer and she hasn't had a single hot spot!

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  • works well

    By on

    Love chewy.com great customer service!! Received everything very fast and the prices are great the dog beds I bought from there there actually have memory foam in them and cost less than the egg crate stuff you find in stores. The people I spoke with on the phone were so nice ,thanks again :)

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