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At a Glance
Kills fleas and ticks within 12 hours
Kills flea eggs, pupae, larvae, and adults for 30 days
Kills and protects against mosquitoes, which are the primary cause of heartworm

K9 Advantix II for Dogs

Advantix is one of the most trusted names in flea and tick protection, and for good reason! K9 Advantix II is an easy to use and effective product, beginning to work within 12 hours and lasting for 30 days. [+]

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Customer Reviews

Rated 4.1 out of 5 by 737 reviewers.
Rated 3 out of 5 by I think something changed. I've used this product for years without problems. And yes, I apply it correctly. But lately, my dogs still have infesting fleas. Perhaps they became immune to it. I am going to research other products. March 23, 2015
Rated 1 out of 5 by POOR QUALITY I have been using this product for the past 5 years and this is the first time it has not worked. It's been 3 weeks and my dog still has fleas. I am suspecting the K9 II Advantik product you are selling is altered and or diluted in some way. Very unacceptable. Will not be ordering from you again. I will go back to PetMeds were I never experienced this problem. March 23, 2015
Rated 1 out of 5 by Was like putting water on her neck I just bought K9 Advantix II for our new dog. She is a mix breed and weighs 13 lbs. I was excited to see it was supposed to work in 12 hours. We could see the back of her neck was wet where we applied it to her skin. It's been a week and the fleas have only gotten worse. I am very disappointed with this product and sorry that I bought a 6 pack of it. I will not use the other 5 doses. What a waste of my money. March 16, 2015
Rated 5 out of 5 by Best flea and tick med Advantix always works........................................... March 13, 2015
Rated 5 out of 5 by We're very pleased about its effectiveness We've been using this product in our two doggies for a couple of years, all year round and we're very pleased about its effectiveness; a little more expensive than others but giving more protection than others. As a matter of fact, we used others in the past and none as effective as this one. March 13, 2015
Rated 5 out of 5 by K9 Advantage II for dogs I love this product. I have used before and decided to purchase it through your site and got a great deal. March 2, 2015
Rated 5 out of 5 by THE MED'S I BOUGHT FOR DOG AND CATS WORKED VERY WELL ALL THE MEDICINE I BOUGHT DID THE JOB WELL.THANK YOU I HAVE USED YOUR COMPANY FOR YEARS NOW. February 28, 2015
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Customer Q&A

Bayer Flea & Tick K9 Advantix II for Dogs http://cdn.petcarerx.com/img/PrdImg/095x095/11357_001_m.jpg Advantix is one of the most trusted names in flea and tick protection, and for good reason! K9 Advantix II is an easy to use and effective product, beginning to work within 12 hours and lasting for 30 days. 59.69 Condition: new In stock! Order now!
K9 Advantix II for Dogs 4 out of 5 0 based on 737 ratings.