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🐾 Stay ahead of pests—because your dog deserves the best defense!
K9 Advantix II Large Dog is a vet-recommended, fragrance-free topical treatment designed for dogs 21-55 lbs. It kills fleas within 12 hours and repels ticks, mosquitoes, biting flies, and lice on contact. Waterproof after 24 hours, this easy-to-apply formula requires no prescription and provides a 2-month supply to keep your dog protected indoors and outdoors.













| ASIN | B00N7DEBN4 |
| Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen |
| Age Range Description | 7 weeks and older |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #59,997 in Pet Supplies ( See Top 100 in Pet Supplies ) #73 in Dog Flea Drops |
| Brand | K9 Advantix |
| Brand Name | K9 Advantix |
| Customer Reviews | 4.4 out of 5 stars 16,136 Reviews |
| Dog Breed Size | Large |
| Item Form | Topical |
| Item Type Name | Topical |
| Item Weight | 0.1 Ounces |
| Item form | Topical |
| Item volume | 5 Milliliters |
| Item weight | 0.1 Ounces |
| Manufacturer | K9 Advantix |
| Manufacturer Part Number | 86314940 |
| Model Number | 86314940 |
| Scent | Unscented |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 724089060716 |
| Unit Count | 2 Count |
| Volume | 5 Milliliters |
M**R
Quick & Effective
I read, researched & wanted to pull my hair out! I got my grand dog & needed something quick to combat fleas! This was #3 on the list I found & Amazon had it!! It arrived next day, easy application! It worked immediately and effectively! It came in a 2pk for a great value!
A**R
It works
My dog was on a prescription medication before this. I had to stop her previous medication because it was out of stock for a while and when it was restocked, the price skyrocketed to $250 for a 6 month supply instead of the usual $120 that it was prior. There was a new generic version of her prescription but after reading the reviews on that, I didn’t want to risk my dog’s health. During that time of her not being on any preventative, we ended up with a flea problem in my area which we never had before. Since the fires, a lot of wildlife has been dropping by in my neighborhood and with wildlife comes fleas just hitching a ride with them. We fell victim to an infestation in our backyard and surrounding areas. I panicked and tried the holistic approach for months with DE, changing my dog’s diet, essential oils, etc to no avail. I had to try something because my dog is old and I really didn’t want to stress her by taking her to the vet for yet another prescription (which all had extremely negative adverse effects after doing plenty of research). I decided to try an OTC flea treatment and it was between this one and frontline. After doing more research, I opted for Advantix II since it was more effective than frontline (for my area). So glad I did because fleas were gone within a day. My dog has been on this for a year now and so far it is working. I did find a flea on her the other day right after we got back inside from our little walk and was able to grab it. I put it in a ziplock bag with a piece of my dogs shedded fur just to see if the treatment was still working since it had been 26 days since I used Advantix and within 2 hours of that flea crawling on her fur in that bag, it was dead. So I know for sure that this medication is working and working effectively at that. She was groomed two days prior to me finding a flea on her as well (she had a waterless bath and is wiped down with her dog wipes daily) - the bath and wipes didn’t minimize the effectiveness of this flea medication which is a huge plus! What I’ve learned throughout this whole process is that no treatment is going to immediately kill or prevent fleas or ticks - not even prescription medication - Advantix has saved me hundreds if not thousands of dollars on prescriptions and it’s still as effective as a prescription. It’s a win - win in my book and I will continue to use this year round to keep my dog protected.
C**E
This Works Fast!!!!!
I actually couldn’t wait to write this review- As soon as I put this on my tic infested dogs and rubbed it around- two fell off and were dead!!!!
R**N
Excellent
It works
I**O
Collar de perro para que no se le peguen pulgas y garrapatas
Muy buenos
Trustpilot
1 week ago
2 weeks ago