K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 11-20 lbs. | Flea Drops for Medium Dogs | Apply Monthly | 2 Treatments
$14.98







Price: $14.98
(as of Oct 27, 2025 16:48:17 UTC – Details)
K9 Advantix kills and repels fleas, ticks, mosquitoes, biting flies, and lice. Simpler than a flea collar and hard-to-swallow pills, this topical formula works within 12 hours of initial application to stop existing flea infestations on dogs and prevent new ones by killing adult fleas on contact before they lay new eggs or bite your dog. K9 Advantix offers fast relief at an excellent value, so you and your dog can get back to the things you love most. Your dog should be at least 7 weeks old and weigh 11-20 lbs. to use K9 Advantix Medium Dog. Use as directed by label. Do not use on cats.
Product Dimensions : 1 x 3.5 x 6.06 inches; 0.63 ounces
Manufacturer recommended age : 1 month and up
Item model number : CA756002AAM
Date First Available : March 14, 2024
Manufacturer : Elanco US Inc
ASIN : B0CWB58548
Best Sellers Rank: #5,348 in Pet Supplies (See Top 100 in Pet Supplies) #35 in Dog Flea Drops
Customer Reviews: 4.3 4.3 out of 5 stars 520 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
An excellent value from the K9 Advantix brand
K9 Advantix Medium Dog 30-day treatment & prevention protects dogs 11-20 lbs. from fleas, ticks, mosquitoes, biting flies and lice
Affordable formula works on contact to kill and repel fleas on dogs within 12 hours of application even without a bite
Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours
No prescription needed
Customers say
Customers find the pest control product effective and easy to apply, with positive feedback about its quality and value for money. Moreover, they appreciate its protection features, with one customer noting it includes mosquito repellent. However, experiences with skin irritation are mixed, with some reporting no issues while others experienced severe burns.
8 reviews for K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 11-20 lbs. | Flea Drops for Medium Dogs | Apply Monthly | 2 Treatments
Add a review
$14.98
CB –
Works great
This products works as good as name brands with no side effects on my little one. Quick easy and effective. Price was amazingly cheap compared to band names. It gives dog parents the ease and safety of taking care of their fur babies without the nightmare prices and side effects.
Sammy –
ALways reliable
I’ve always used this brand for my dog but when I ran out this was unavailable so I bought a different brand that stated the same active ingredients. Two weeks in my dog was scratching and chewing like she never did before. I was able to find this again so I grabbed it and put it on her. She’s quit her scratching and chewing. The other stuff would make her nuts when it was first put on she acted like she was trying to run away from it. There’s never been any of that with Advantix. she never has any skin irritation it works quickly controlling and killing tics fleas lice mosquitos and eggs. And most of all I know I’m doing the best for my dog because it’s safe for her.
Joanne –
Very good product
I took my dog away and he got fleas. I didnât want them to get worse so I ordered this for same day delivery. I bathed my dog and put this on him. I couldnât find any fleas left on him but he did keep scratching which could have been in his head. However I did ordered a strong flea collar and problem corrected. Would put 5 stars but I did have to double up with the collar. Definitely was a huge help and prevented fleas in the house.
MORIAH BARNHART –
For Seizure-Prone ð
Purchased for seizure-prone 22lb mini labradoodle. Have used several times and so far no issues.
Country Girl 2 U –
Good quality
Worked almost immediately on the first dosage. Second time around, not so much.
Grandma –
Fleas
Havenât used the product. I bought the wrong kind for my dog.Iâm sure it works fine. Iâve bought this brand before and it worked well.
Bea –
Flea and tick prevention
Product worked well. Lasted the whole month. It was odorless. And it was definitely worth the money. Very pleased with the product
Bird –
Didn’t work
This helped him a little for 2 days& then did nothing& was right back where I started! Vacuuming like crazy, using DE, wondercide, ACV, Neem oil all in addition bc I can’t put anything else drop wise on him until next month.