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Rated 4.1 out of 5 by 730 reviewers.
Rated 5 out of 5 by Works for "me" K-9 Advantix is the only product I have tried that actually does the job on my Golden Retriever. I tried several others with poor results and have kept old Mac "bug free" from about age 3 to his current age 11. The generic even worked fine for several years until I could no longer find it! August 12, 2013
Rated 4 out of 5 Usually Super This year my dog had a tick on his midsection. Several years ago he has a tick on his ear which was not surprising. No fleas ever so I can't complain too much. August 11, 2013
Rated 5 out of 5 by Works where other brands did not.. In using this product on our 4 year old female ShiPoo, this product continues to work even exceeding one month if we are a week or so late in applying. Another well known brand only worked for about a week, after which fleas abound, and scratching commenced on the poor dog, even without intermediate baths. K9 Advantix II seems to work very well, is long lasting and most important non irritating to our ShiPoo. The product is easy to apply. Petcarex pricing is very reasonable, and we love the 6 month pack and automatic prompt renewal. August 10, 2013
Rated 5 out of 5 by Works well for my dogs. My vet recommended this product because the fleas have not become immune to this medicine yet like some of the other ones on the market at this time. August 8, 2013
Rated 5 out of 5 by Effective in stopping the fleas! Had always used Frontline, no fleas but the occasional tick. Switched last year after the first time my little Pom mix had fleas in 13 years. K9 Adv. has more features to stop/block/kill the fleas and it worked pretty quickly. Always am hesitant to use this on a small old dog but she's had no side effects. August 7, 2013
Rated 5 out of 5 by Once flea & tick product I'll use This is the most effective flea & tck pruduct I've ever used on my dogs. I've used others, but the K9 Advatix II has prove to be the best for my dogs. I also like that it deters biting flies and mosquitoes too. August 7, 2013
Rated 2 out of 5 by only effective for 2 weeks I have used this product in years past with great results. This time my dogs had a flea problem only 2 weeks after applying the liquid. Someone has suggested that buying from an online dealer has the potential for purchasing expired products. I don't know that I believe that but am wondering why the fleas are back after only half of the time of protection has passed. August 6, 2013
Rated 4 out of 5 by So easy to use I have had my 2 Brittany's on this for 2 years and never had any problems with fleas my dogs love it. August 6, 2013
Rated 1 out of 5 by The worst I put advantix 2 on my Shepherds 2 weeks ago. The next day, I saw some fleas moving slowly and dying. However, it has not gotten rid of all of them. This product does NOT repel. In fact, I think it made the fleas reproduce. They have more fleas now than ever. They are inside dogs.My house is ceramic tile and I vacuum area rugs regularly. I have treated my yard,They have a 2 week old puppy, which also has fleas now. This product is the worst!! August 4, 2013
Rated 5 out of 5 by Keep Fleas & Ticks away! Your dog needs to rely on you to purchase the best flea and tick protection for them. August 2, 2013
Rated 5 out of 5 by Great product. We have used this product on our 2 Akita's for 4 years now. They have never had a flea or tick. No bad reactions, this product works. August 2, 2013
Rated 4 out of 5 by This product works for my dog. I have been using this product on my two year old Havanese since he was a pup and never had an issue with fleas or ticks. The only negative I have is that it is expensive. July 31, 2013
Rated 1 out of 5 by does not work very well Ive used this product before with great sucess, Ive treated my cog twice in the last month and fleas are still a big problem. very disapointed. July 31, 2013
Rated 1 out of 5 by Product not as good as it used to be.. I have used K9 Advantix 11 for a few years now.. but this year it didn't seem to work on my dogs.. I used it twice and had a bad flea problem. I will never use this product again. very disapointed. costs to much to not work. July 30, 2013
Rated 1 out of 5 by this product does not work for fleas . a waste of money . Three days after I applied this my Yorkie had fleas . I did not bathe her before or after the application. Prior to that application she had fleas within two weeks of a previous application.Product has false advertising . July 27, 2013
Rated 5 out of 5 by Great product. I have used it since it came out. I am a certified Veterinary Technician. I have used this product for many years. Great product July 27, 2013
Rated 5 out of 5 by IT WORKS! have tried many flea & Tick preventatives with NO luck until K9 Advantix II which WORKS VERY WELL - Thank you for a product that finally does the job! July 26, 2013
Rated 5 out of 5 by This is the BEST flea medication you can get This product has been a real lifesaver helping us to control a flea problem we had a few years back. We were using a similiar product for many years and it just lost its effectiveness. I will never go back and try anything else. This is the only flea medicine my dog will ever use. July 23, 2013
Rated 5 out of 5 by Great quality and price! Flea and tick medication is very expensive, but with petcarerx, it's affordable! I love K9 Advantix II because I don't have to worry about my dogs getting any kind of bugs! July 23, 2013
Rated 5 out of 5 it works I do not like to put anything on my dogs but to combat fleas this is a must. I am a pet groomer and have seen dogs come in infested with fleas. It is very sad for the dog so I would rather use the flea control. this product has always worked for me and petcarerx has always given me the best prices. July 22, 2013
Rated 5 out of 5 by Only brand that works for ticks in the summer here in NC For here in North Carolina I have found that Advantics II is the best thing to use on my Westie,especially in the summer. Trust it .... July 22, 2013
Rated 4 out of 5 by wish it lasted longer I've used Advantix for almost 10 years now for my German Shepherd. I have never had a flea issue but ticks are problematic. Although the product does seem to kill them it does not last as long as claimed. I start finding ticks after about 2.5-3 weeks. July 22, 2013
Rated 3 out of 5 by This product doesn't seem to work as well as it used to... This product worked well for three years on our pug, but does't seem to do the job anymore. It seems like the fleas are becoming immune to it? July 21, 2013
Rated 3 out of 5 by Normally this product works very well We have been having a lot of rain here in Milton, Fl. I have 5 long hair chihuahuas. The treatment is not lasting as long as normal. I bathe them every two weeks now because that's the longest I can go because of the fleas. Maybe I need to change products ??? July 21, 2013
Rated 5 out of 5 by works great! I have been using this product on our large "mutt" dog for many years. We live in a rural area and appreciate the good job it does keeping fleas AND TICKS off of him. It is convenient and easy to use. July 21, 2013
Rated 5 out of 5 by I love this product!! I have five 100 lb plus Pit Bulls; I'[ve been using this product for the last 2+ years. I have had no issues or complaints. Not a fan of the oily residue until absorbed though due to have short haired dogs. I highly recommend this product for any one who lives in the city or country like setting. I live in a wooded residential area w/ brooks & streams; have had a lot of mosquitoes lately. So I'm very appreciative that they have finally made a product the deter the little flying pests. :) July 21, 2013
Rated 5 out of 5 by worked great no more fleas I used this for the first time and it killed all the fleas, I used it with sentinel and my three dogs had really bad fleas for a month and now they're gone within a week July 21, 2013
Rated 3 out of 5 by not as much as i exspected used ADVANTAX ii for three months and still found total of four ticks. Don,t see fees but it scratched as if he has them. July 21, 2013
Rated 5 out of 5 by Great Product We have 4 English Setters. Never had any problems with flees or ticks. We are in the country and both neighbors have ponds and we ave a lot of Mosquitos. I like the fact it repels those and those pesky nats. July 21, 2013
Rated 4 out of 5 by not great for preventing or killing ticks This product works great protecting my dog from fleas but doesn't work for ticks. While using this product we moved from a suburban neighborhood to the country with tall grass, woods, and wide open spaces. My dog ended up with ticks many of which don't die even after biting. They fall off once they are fully engourged with blood, but are still alive. July 21, 2013
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