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K9 Advantix II

Starts $60.61 $46.34 
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Product Info
How to Use
Ingredients
Customer Reviews
Q&A
Product Info
What is K9 Advantix II?

K9 Advantix II is a monthly preventative for dogs that offers comprehensive protection against ticks, fleas, mosquitoes, biting flies, and chewing lice. K9 Advantix II is a top veterinarian-recommended brand because it repels and kills all life stages of fleas (eggs, pupae, larvae, and adult fleas) and ticks (Deer ticks, American dog ticks, Brown dog ticks, and Lone Star ticks). K9 Advantix II kills 98-100 percent of fleas within 12 hours and continues working for one month to prevent infestations. Fleas and ticks are killed on contact with a treated dog, which means that fleas don't have to bite and ticks don't have to attach to die. This helps prevent transmission of flea-borne and tick-borne diseases such as tapeworms, Lyme disease, tick paralysis, ehrlichia, and Rocky Mountain spotted fever. Killing fleas before they bite may also help prevent skin allergies caused by flea saliva. As well, K9 Advantix II repels mosquitoes before they bite, which may help prevent transmission of heartworms. K9 Advantix II protects your pet before parasites have a chance to bite, not after.

For:

Dogs and Puppies (only over 4 lbs and 7 weeks of age or older)

Benefits:
  • Repels and kills disease-carrying fleas, ticks, and mosquitoes before they bite
  • Kills all life stages of fleas (eggs, pupae, larvae, and adult fleas) and ticks (Deer ticks, American dog ticks, Brown dog ticks, and Lone Star ticks)
  • Kills 98-100 percent of adult fleas within 12 hours
  • Ends flea life cycle by preventing flea offspring (eggs, pupae, and larvae) from maturing into adult fleas
  • Repels biting flies and kills chewing lice
  • Provides one month of protection against ticks, fleas, mosquitoes, biting flies
  • Waterproof - continues working even after your dog becomes wet
How K9 Advantix II Works:

K9 Advantix II combines imidacloprid and permethrin to repel and kill fleas, ticks, and mosquitoes. Both ingredients work on contact, attacking parasite nerve cells at different sites. Together these ingredients overwhelm the nervous system killing the parasite. Pyriproxyfen is an insect growth regulator. K9 Advantix II topical solution also repels biting flies and kills lice.

Cautions:

DO NOT USE ON CATS. Cats cannot metabolize the ingredients used in this product. Cats must be separated from dogs during treatment. Do not allow your cat to come in contact with a treated dog for 24 hours. Some small and medium dogs may have an adverse skin reaction.

Brand Name:

K9 Advantix II (Bayer)

Active Ingredient(s):

Imidacloprid (8.8%), Permethrin (44.0%), Pyriproxyfen (0.44%), Other ingredients (46.76%)

What is this product used for:

K9 Advantix II is for use on dogs and puppies 4 lbs or more and 7 weeks of age or older only. It is used for the topical prevention and treatment of ticks, fleas, mosquitoes, biting flies, and chewing lice on dogs. Repels and kills ticks including deer ticks (the major carrier of Lyme disease), American dog ticks, Brown dog ticks and lone star ticks. K9 Advantix II repels and kills all life stages of fleas, repels and kills mosquitoes, kills chewing lice, and repels biting flies.

Availability:

K9 Advantix II is a non-prescription (OTC) product available as 0.014 fl oz (0.4 ml) applicators for dogs 4-10 lbs (Green), 0.034 fl oz (1.0 ml) applicators for dogs 11-20 lbs (Teal), 0.084 fl oz (2.5 ml) applicators for dogs 21-55 lbs (Red), and 0.135 fl oz (4.0 ml) applicators for dogs over 55 lbs (Blue).

How this product should be used:

For use only on dogs. Do not use on cats or on other animals. Have the dog standing for easy application. Part the hair on the dog's back, between the shoulder blades, until the skin is visible. For dogs up to 20 lbs, apply the entire contents of the applicator tube to 2 or 3 spots on the top of the back from the shoulder to the base of the tail. For dogs 21 lbs and over, apply the entire contents of the applicator tube to 4 or 6 spots on the top of the back from the shoulder to the base of the tail. If the household has cats or other animals, separate from the treated dog for 24 hours.

What are the side effects:

Individual sensitivities, while rare, may occur after using any pesticide product for pets. A small percentage of dogs have had adverse reactions to K9 Advantix II. A sensation of burning, tingling, itching, redness or numbness of the skin may occur after topical application. This sensation usually begins 1-2 hours after application. In addition, reactions have occurred in cats that have been exposed to a medicated dog. That is why it is important to separate your cat from a medicated dog for 24 hours. Bayer, the manufacturer of K9 Advantix II, indicates that some of these symptoms will dissipate within 48 hours; however, if your pet is experiencing adverse reactions, please complete the following steps:

  • Stop applying the medication
  • Wash your dog with a detergent based soap (Dawn or Palmolive dish detergents work best). Do not scrub the affected area, as this may cause more skin irritation. Please note: This process is applicable for both dogs and cats.
  • Call your veterinarian
  • Call Bayer Emergency Support Line at 1-800-422-9874. Let Bayer know your dog is having an adverse reaction to K9 Advantix by calling 1-800-422-9874. This line is staffed 24 hours a day, 7 days a week.
What special precautions are there:

This product is for external use only on dogs and puppies 4 lbs or more and 7 weeks or older. Consult a veterinarian before using on medicated animals and debilitated, aged, pregnant or nursing animals. Do not get this product in dog's eyes or mouth. Do not use this product on animals other than dogs. In households with cats, separate the treated dog for about 24 hours. Due to their unique physiology and inability to metabolize certain compounds, this product must not be used on cats. If applied to a cat, or ingested by a cat which actively grooms a recently treated dog, this product may have serious harmful effects. If this occurs, contact your veterinarian immediately. It is important to apply this product no more than once a month and to use the correct strength for the weight of the dog. This product is harmful to humans if swallowed. Call a physician or poison control center for advice. Have patient sip water. Do not induce vomiting unless advised to and the patient is conscious. This product can cause eye irritation. Flush eyes with plenty of water. Call a physician if irritation persists. Avoid contact with skin, eyes or clothing. Wash thoroughly with soap and water after handling.

In the event of overdose:

Contact your veterinarian or veterinary emergency room.

How should I store this product:

Store this product in a cool, dry place. Do not refrigerate. Store in the original container only. Do not reuse original container. If the container is empty place in trash or offer for recycling if available. If the container is partially filled, call for disposal instructions. Never place unused product down any indoor or outdoor drain.

How to Use
Directions:
  • Use only on dogs over 4 lbs and over 7 weeks of age. Do not use on cats or on other animals.
  • Your dog should be standing for easy application.
  • The entire contents of K9 Advantix II tube should be applied evenly to 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 your dog.
  • For dogs up to 20 lbs, apply the entire contents of the applicator tube to 2 or 3 spots on the top of the back from the shoulder to the base of the tail.
  • For dogs 21 lbs and over, apply the entire contents of the applicator tube to 4 or 6 spots on the top of the back from the shoulder to the base of the tail.
  • Use only one applicator per treatment.
Tip:

In households with cats, separate the treated dog for 24 hours until the product is thoroughly dry. Visit K9 Advantix II Adverse Reactions if your pet has been experiencing adverse reactions to K9 Advantix II.

Dosage:
Dogs/Puppies:(7 weeks of age and older)
Weight
Dosage
1-3 lbs
Do not use.
4-10 lbs
Apply contents of 1 applicator once a month (Green Box)
11-20 lbs
Apply contents of 1 applicator once a month (Teal Box)
21-55 lbs
Apply contents of 1 applicator once a month (Red Box)
Over 55 lbs
Apply contents of 1 applicator once a month (Blue Box)
Cats:
Do not use!
Horses:
Do not use!
Storage:

Should be stored in a cool dry place. Do not refrigerate.

Ingredients
K9 Advantix II for Dogs 4-10 lbs (Small Dog - Green Box) (0.4 mL):
Active Ingredients (per applicator tube)
% By Weight
Imidacloprid
8.80%
Permethrin*
44.0%
Pyriproxyfen
0.44%
Other Ingredients (not specified)
46.76%
*cis/trans ratio: Max 55% (+/-) cis and min 45% (+/-) trans
K9 Advantix II for Dogs 11-20 lbs (Medium Dog - Teal Box) (1.0 mL):
Active Ingredients (per applicator tube)
% By Weight
Imidacloprid
8.80%
Permethrin*
44.0%
Pyriproxyfen
0.44%
Other Ingredients (not specified)
46.76%
*cis/trans ratio: Max 55% (+/-) cis and min 45% (+/-) trans
K9 Advantix II for Dogs 21-55 lbs (Large Dog - Red Box) (2.5 mL):
Active Ingredients (per applicator tube)
% By Weight
Imidacloprid
8.80%
Permethrin*
44.0%
Pyriproxyfen
0.44%
Other Ingredients (not specified)
46.76%
*cis/trans ratio: Max 55% (+/-) cis and min 45% (+/-) trans
K9 Advantix II for Dogs over 55 lbs (Extra Large Dog - Blue Box) (4.0 mL):
Active Ingredients (per applicator tube)
% By Weight
Imidacloprid
8.80%
Permethrin*
44.0%
Pyriproxyfen
0.44%
Other Ingredients (not specified)
46.76%
*cis/trans ratio: Max 55% (+/-) cis and min 45% (+/-) trans
Customer Reviews
K9 Advantix II is rated 3.7105 out of 5 by 3,496.
Rated 4 out of 5 by from works great with my outside dogs I needed to spray my yard too-but the k9 advantix 11 works wonders
Date published: 2016-12-01
Rated 5 out of 5 by from k9 Advantage I have used this product for several years and no fleas or ticks on my dog so far. Fast and easy to apply, highly recommend this for your dog.
Date published: 2016-11-29
Rated 5 out of 5 by from Miracle worker I have just recently bought this product for my cat because she was eaten up with fleas and had flea eggs all over her as well. No matter how many baths I gave her she STILL had the fleas and eggs. Once I received this product, I immediately put it on her and so far I have not seen any fleas or eggs on her. I will definitely keep this in our normal monthly regemin
Date published: 2016-11-27
Rated 3 out of 5 by from I got this about a month ago and at first it worked but it just stopped working in don't know other ones I could use and the 30 days wasnt even up ywt grree
Date published: 2016-11-24
Rated 5 out of 5 by from I bought this for my dogs and it really worked.
Date published: 2016-11-22
Rated 5 out of 5 by from this the second time ive bought it and really like ! works great and always get my order fast !!
Date published: 2016-11-21
Rated 5 out of 5 by from Tried & true Works great. Also, with all the new fancy pill varieties out now-it's the only one that doesn't make my French Bulldog sick. I've tried all the pill versions which also includes heart worm-makes my dog severely sick. Only this good old fashioned one does the job.
Date published: 2016-11-19
Rated 4 out of 5 by from I LIKE IT BECAUSE IT SEEMS TO REPEL MOST PROBLEMS I'VE BOUGHT THIS PRODUCT FOR SEVERAL YEARS NOW AND OTHER THAN THE ODD TICK THAT MIGHT HAVE ATTACHED (WHICH THE MAKERS OF THE PRODUCT TELL ME IS NORMAL AS SOME TICKS ARE REALLY VERY STUBBORN) AM HAPPY WITH IT. I WISH IT WERE NONE BUT I"M SURE THAT WITH THE NUMBER OF TICKS THAT WE HAVE SOME YEARS AND WITH HIS FACE CONSTANTLY SNIFFING THE GROUND ONE OR TWO IS PRETTY GOOD.
Date published: 2016-11-18
  • 2016-12-04T06:05CST
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Q&A

Do u ship to canada?

Asked by: SuzyQ
Yes, we do ship to Canada. It is $14.99 for 10 to 14 business days.
Answered by: Carolyn Petmed Pro
Date published: 2016-11-29

After the 48 hours have passed, can I use a medicated shampoo that kills fleas on my dog? Or should I use regular shampoo?

Asked by: Shoelover23
You may use a flea shampoo after 48 hours, but it will be best to use a natural shampoo. We carry Be Flea Free Shampoo and Natural Chemistry Natural Flea & Tick Shampoo with Oatmeal. These products do not strip the flea and tick topical.
Answered by: Carolyn Petmed Pro
Date published: 2016-11-15

My dog got her k9 advantix 2 put on one day, the next day rolled in something nastu and needed another bath. How long do I have to wait to apply more advantix 2? Looks like it was all washed away

Asked by: James
24-48 Hours.
Answered by: Cherley Petmeds Pro
Date published: 2016-11-13

can I use shampoo to wash my dogs

Asked by: thom
Using a shampoo that will strip the natural oils off your pet's skin will affect how well this product works after the bath. Using a soap-free shampoo is your best option to get the full month's protection of this product, or any topical flea and tick product,
Answered by: SuzyCVT
Date published: 2016-11-01

MY dog gets a seizure when I put any kind of heart worm meds on her. This makes her unprotected from mosquitoes. Is there any reports of seizures with this medicine? Are there any of the same ingredients in any heart worm med. that is in this.? 

Asked by: nancy
The ingredients in K9 Advantix are different from those in heartworm medications. However, since your dog has a history of seizures, I recommend consulting with your veterinarian to determine which flea and tick preventative would be the safest for your dog. Your veterinarian knows your dogs medical history and would be able to make the best treatment decisions regarding your pet.
Answered by: Christine
Date published: 2016-10-19

Can you use Bayer Advantage multi and K9 advantix together at the same time.

Asked by: Tott
No, you should not use two flea and tick preventatives together. If you are unsure of which medication is best for your pet, please speak with your veterinarian.
Answered by: Christine
Date published: 2016-10-18

I have a Advantix blue that was for my lab who I now am treating with Bravecto. I would like to treat my 16# dog and my8#dog. How much do I use?  This stuff is so expensive and I have five dogs and two cats so I don't want to waste it

Asked by: Jnmt59
Advantix Blue is for dogs 55 lbs and over. It is not recommended to split the dose to give to a smaller dog. You may end up over- or under-medicating your dog resulting in overdose/toxicities or decreased effectiveness, respectively.
Answered by: Christine
Date published: 2016-10-14

Do you offer this medication in the chewable form?

Asked by: Nicks sixth
No, K9 Advantix is only available as a topical application. However, we do have chewable flea and tick preventatives that require a prescription from your veterinarian, such as NexGard, Comfortis, and Bravecto.
Answered by: Christine
Date published: 2016-10-14
  • 2016-12-04T06:22CST
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