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K9 Advantix II Flea & Tick Treatment for Small Dogs up to 4-10 lbs

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In stock
6 treatments
  • 2 treatments
  • 4 treatments
  • 6 treatments
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Description

Help protect your petite pup from parasitic pests and the potentially harmful diseases they can transmit with K9 Advantix II Flea & Tick Treatment for Small Dogs. This broad-spectrum, veterinarian-recommended treatment is specifically formulated to repel and kill fleas, ticks and mosquitoes on contact with no painful biting required. It further kills all life stages of fleas to prevent re-infestation, and even kills lice while also repelling biting flies. The waterproof formula for puppies and dogs 7 weeks or older and weighing between 4 and 10 pounds continues working for up to four weeks, even after bathing or swimming.

Key Benefits

  • Broad-spectrum, veterinarian-recommended treatment repels and kills fleas, ticks and mosquitoes on dogs 7 weeks or older and weighing 4-10 pounds.
  • Begins working within 12 hours and kills pests on contact with no painful biting required.
  • Kills all life stages of fleas to prevent re-infestation; also kills lice and even repels biting flies.
  • Waterproof formula continues working for up to four weeks, even after bathing or swimming.
  • Convenient, monthly topical application contains imidacloprid, permethrin and pyriproxyfen; available in packs of 2, 4 or 6 treatments.

Additional Details

USE ONLY ON DOGS AND PUPPIES 7 WEEKS OF AGE AND OLDER AND WEIGHING 4 - 10 LBS. 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
    74394
  • Brand
    Bayer
  • Breed Size
    Extra Small & Toy Breeds
  • 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.
  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

FAQ

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.

Customer Reviews

215 reviews 215 Reviews 4.4 out of 5 Stars

90% Recommend

90% of reviewersrecommend this product

4.4 / 5

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  • Great Product

    By on

    I recently went to my Vet's office and purchase a topical flea treatment. Since I had never used this new product before, I went online to read reviews on the product. I was shocked to read the side effects of this new flea product my Vet is selling. I returned the product the following day, and told them that they should have continued selling the K9 Advantix products. While all flea products have possible side effect, I felt more comfortable using K9 Advantix. The online ordering process through Chewy is flawless and the product arrived at my house a few days after ordering it. I am new to purchasing my pet care needs from Chewy, but have been very satisfied with the purchases I have made I recently went to my Vet's office and purchase a topical flea treatment. Since I had never used this new product before, I went online to read reviews on the product. I was shocked to read the side effects of this new flea product my Vet is selling. I returned the product the following day, and told them that they should have continued selling the K9 Advantix products. While all flea products have possible side effect, I felt more comfortable using K9 Advantix. The online ordering process through Chewy is flawless and the product arrived at my house a few days after ordering it. I am new to purchasing my pet care needs from Chewy, but have been very satisfied with the purchases I have made so far, and look forward to using Chewy.com for all my pet needs in the future. On a scale from 1 to 5. I give Chewy.com a 5 for great proudcts and a 5 for great customer service. Keep up the great work Chewy.com. … more

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  • This is awesome

    By on

    I was previously using a vet prescribed pill formula of flea meds and switched to this because i could hardly get my sass queen of a dog to take the pill. It works just as well as her previous pill and is significantly less in price: win win.

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  • Great Alternative to Frontline Plus

    By on

    Frontline Plus stopped working for me so after doing some research, I switched to K9 Advantix II , and it has been working pretty well. However, it does not seem like it will last an entire month during those hot months. I would notice my dog itching before the month is over and find a flea. However, I still think it is a great alternative to Frontline Plus if you were a fan of that.

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  • K9 Advantix Worked! Frontline Failed!!

    By on

    After discovering my dog had fleas, I bought some Frontline Plus and used that on him for three months, consecutively. His flea problem only got considerably worse. I purchased three more months of Frontline Plus and applied it, but still no improvement; and the infestation had actually gotten worse. I called my vet and they advised me NOT to waste anymore money on the Frontline, as they had stopped using and selling it due to the fact it simply just did not work any longer. They suggested K9 Advantix II which I bought and applied. After just a day or two, all the fleas were gone!! I was amazed and relieved the fleas were finally gone. After all the money I spent on Frontline Plus and it NOT After discovering my dog had fleas, I bought some Frontline Plus and used that on him for three months, consecutively. His flea problem only got considerably worse. I purchased three more months of Frontline Plus and applied it, but still no improvement; and the infestation had actually gotten worse. I called my vet and they advised me NOT to waste anymore money on the Frontline, as they had stopped using and selling it due to the fact it simply just did not work any longer. They suggested K9 Advantix II which I bought and applied. After just a day or two, all the fleas were gone!! I was amazed and relieved the fleas were finally gone. After all the money I spent on Frontline Plus and it NOT WORKING AT ALL(ironically the Frontline is more expensive and you only get three applications as opposed to four applications in the K9 Advantix II), I began to desperately fear nothing was going to work until I tried the K9 Advantix II. I was so relieved and grateful for this product that I called Bayer, the company that makes Advantix and told them what a wonderful product they have and thanked them emmensely! I had used Frontline Plus in the past, successfully, so I was unpleasantly surprised when it did not work at all this time; but now, I will never use anything but K9 Advantix II for my dog, and Advantage II for my cat. Both products are affordable and immediately and completely eradicated all the fleas!!! … more

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  • Got Rid of Fleas

    By on Top 1000 Contributor

    We used this on our two Chihuahuas. They had a problem with the deer ticks here and it got rid of them immediately. I highly recommend this product if you are having a tick problem. I can't speak for fleas, but it keeps those pesky ticks away! Very happy!

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  • The Best Deal Ever!!

    By on

    So I have a new puppy and I know flea and tick and be very expensive. In my opinion this is the best flea and tick prevention product out there. The problem was everywhere I went to shop for it, it was super expensive, like almost $100 for 6 months. On chewy i saved a TON of money getting it for a little over $50 for 6 months with free 1-2 day shipping and a discount for autoship. You can't beat this. I love Chewy.com

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  • fleas not gone

    By on

    Put this on my dog 2 times already since purchase a few weeks ago still has fleas, he weighs only 10 lbs 2 doses in a few weeks should have done the trick.Mostly house dog out only to do his business. would not recommend this product. Low prices and fast service.might give you a try with some othe items but not this item.

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  • Would definitely recommend

    By on

    I have a dog and cat and have tried mant flea and tick products. Many which have resulted in my pets having allergic reactions and still having fleas. I started using this for my pets about 8 months ago and i love it. Fleas and ticks gone ! Its nice not having to worry , would definitely recommend to others

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  • So disappointed

    By on

    My chihuahua is only 8lbs, so this product should be working by now concerning his weight, size, and since it has been a month since the first dosage. He has even more fleas than he had the day before. I am going to have to switch treatments, but i don't want to waste more money. This product did absolutely nothing.

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  • Don't recommend

    By on

    I've bought this product before, the three months Supply and it worked well the first time I bought it. This past time I have bought It, it seems as if it did not work at all the fleas have not gone away at all and and for 50+ dollars I am really disappointed.

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