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🐾 Stay ahead of pests—because your dog deserves VIP protection!
K9 Advantix II Medium Dog is a vet-recommended, fragrance-free topical treatment designed for dogs 11-20 lbs. It kills and repels fleas, ticks, mosquitoes, biting flies, and lice, eliminating fleas within 12 hours and providing waterproof protection after 24 hours. Easy to apply and available without a prescription, it ensures hassle-free monthly pest prevention to keep your dog comfortable and healthy.














| ASIN | B07NX5F5YB |
| Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen |
| Age Range Description | 7 weeks and older |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #543 in Pet Supplies ( See Top 100 in Pet Supplies ) #7 in Dog Flea Drops |
| Brand | K9 Advantix |
| Brand Name | K9 Advantix |
| Customer Reviews | 4.4 out of 5 stars 33,962 Reviews |
| Global Trade Identification Number | 00724089114921 |
| Item Form | Topical |
| Item Type Name | Topical |
| Item Volume | 1 ml |
| Item Weight | 17.87 g |
| Manufacturer | Elanco US Inc |
| Manufacturer Part Number | 90204384 |
| Model Number | 90204384 |
| Scent | Unscented |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 724089114921 |
| Unit Count | 1 Count |
| Volume | 1 ml |
M**A
Must buy!!!!
I’ve tried so many things and nothing was working. I don’t usually have fleas but this year my dogs both got fleas and then brought it into the cats so I’ve tried three or four different products and nothing was working, so I finally got this and it worked perfectly we are finally free of fleas!!!
A**R
Concerned
Dog responds horribly to it. Gets super anxious it started after 5months started off well.
R**S
Vet recommended
This treatment is the best ever for our medium size Shepherd. We have a large fenced in back yard with a copse of trees. Deer often jump the fence for a visit and this product is easy to use and the most effective we've found.
A**.
Watch for burns when the weight is close between doses.
After nexguard plus was found to be causing my frenchie liver and pancreatic issues for almost two years, I decided to try this instead. Caused skin burns on my 27lb frenchie... got the smaller breed dose after that and monitored his skin closely after and it was fine. Just beware and watch their skin after application when the weight is close between doses. I went by the weight for the dose and the smaller breed dose did not cause the burns and is still effective treatment.
A**R
Thankfully, it works!
We have fought fleas on all fronts in our hot and muggy rural area. Frontline and the generic version- useless. Sprayed the land, treated our home, sprayed our dog with an additional temporary spray. This is the first time we've ever had such problems. Dog was constantly scratching, visible fleas and flea dirt. Flea comb simply full of mature fleas and flea dirt. Two vet visits in which we were told the next step was a yearly and expensive treatment. Thankfully, found this on Google as vet recommended. Bought a dose here. It arrived yesterday and we immediately applied as directed to 15 lb dog. He was fine upon application. No major problems afterwards but did began to claw himself aggressively and nip at his paws. Found those relatively minor results on the carton safety data and saw no reason to be overly concerned. I did give him the dose of antihistamine as prescribed by our vet. I think the fleas were 'abandoning ship'! He became drowsy within about 40 minutes settled down and slept soundly all night. No raw spots or other problems today but he looks like a newer, improved dog today. He is basically white. Today there were no visible fleas or flea dirt. Yes! So glad we found this product, all I will buy again! Great customer support because I called the # on the product box today just to check his reaction. They were great.
C**H
Highly Effective and Affordable!
We've used Bayer Advantix II on our dog for 2 years now and we've never had a flea issue. There actually is a little dog in our neighborhood who frequently wanders into our yard and, bless his heart, he was just riddled with fleas. My dog would play with him on a weekly basis, and we never had any transferring of fleas to our dog. We ultimately ended up treating the other dog with flea drops as well because he was just so miserable. When I say he was infested, I mean you could literally see them crawling on him and jumping, and the little guy was just biting and scratching constantly. They were even on his little face. It was awful. I treated him with this Bayer Advantix II when he was hanging around our house one night and when he wandered into our yard the very next day, about 13 hours later to be exact, the fleas were all dead! I would say maybe a week or two after that, we noticed he had stopped scratching completely. So his bites must've all healed, and regular flea checks showed he was completely pest free! Cheaper brands (Hartz, for example) are a complete waste of money. They're not effective. And the prescription brands (such as Comfortis and Trifexis) are great, totally effective, and have the added benefit of heart worm prevention, but if your budget doesn't allow for that, I would urge you to consider Advantix II. It's gentle, my dog has never had any ill side effects, and it's super effective. There's no smell, it dries/soaks into your dog's coat within a few hours, and it lasts an entire month. I mark down (using provided stickers) the dates we treat our dog with Advantix, and there have been plenty of times where I was a week or two late (whoopsie!), but we've still never had any issues of my dog picking up fleas. Anyway, I highly recommend. It's a great product.
S**I
50/50 chance
Flea treatment worked on my yorky dog but only lasted 1 week then the fleas came back don’t know whether to try another dosage or to try something else
M**N
Purchase in larger quantities for best price
Been using for a while and have had no problems. His coat is free of bugs and clean
S**4
Buena relación calidad-precio
En la caja vienen 6 pipetas, como se indica en la descripción: 4 de ellas vienen en el sobre hermético de la propia caja y las otras 2 vienen sueltas (la caja realmente es de 4). Contenta con la calidad de Advantix, no me arriesgo a probar con otra marca. Muy recomendado por la relación calidad-precio.
P**I
Recomendable
Recomendable
A**R
السعر مرتفع مقارنة في جودة المنتج
السعر مرتفع مقارنة في جودة المنتج
J**Z
llego en Fecha
Llego en la fecha comprometida. Aparte traia un pequeño detalle, que es de agradecer, con unas chuches para el rey de la casa, para que el "trago" de la desparasitazación sea más dulce.
Trustpilot
2 months ago
3 weeks ago