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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 741 reviewers.
Rated 5 out of 5 by Works well. My Pom is sensitive & this has been the only product that has caused her any discomfort. Only pro d uct that does not cause irritation or discomfort April 30, 2015
Rated 5 out of 5 by Good product! We have used one tube on each dog so far and there's been no skin irritation, no fleas or ticks on either dog. Its a little pricey but so worth it not to have to fight fleas and ticks in the house. April 20, 2015
Rated 3 out of 5 by does it work? I use this one because I live in Florida and they say it takes care of mosquitos. However, and I do have a BIG dog.. 105lbs., I still see fleas on him after use. But I'm not sure what the problem is so I had to apply Advantage too after a couple of weeks. That is why the medium rating... I don't know if it is working or not. Fleas can get on the dog after you apply it but it is supposed to only take 12-24 hours for them to be gone and there were too many. I put I would recommend because it was a toss up... April 18, 2015
Rated 5 out of 5 by Great product Our house backs up to a field so ticks are our major problem. We use Advantix year round and it helps so much. April 8, 2015
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 3 out of 5 by K9 Advantix 2, - messy :( I don't know yet if this product works or not, I used it first time 2 days ago on my 135 lb Great Pyrenees. It left a nasty looking greasy stripe in the middle of his back and I don't know how to get rid of it. I gave him a bath just 4 days ago and I don't want to wash him again, - it's a workout and I'm also concern washing away the product. Does anyone know how to avoid or neatly get that greasy mess out of his fur? March 19, 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
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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 741 ratings.