K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly Treatments
K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly Treatments
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K9 Advantix II

K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly Treatments

K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly TreatmentsK9 Advantix Flea Tick Mosquito Prevention for Small Dogs 4 10 lbs 2 Monthly Treatments2 pack K9 Advantix Flea Tick Mosquito Prevention for Extra Large Dogs Over 55 lbs 2 Monthly Treatments3 pack K9 Advantix Flea Tick Mosquito Prevention for Medium Dogs 11 20 lbs 2 Monthly Treatments2 pack K9 Advantix Flea Tick Mosquito Prevention for Small Dogs 4 10 lbs 2 Monthly Treatments4 pack K9 Advantix Flea Tick Mosquito Prevention for Medium Dogs 11 20 lbs 2 Monthly Treatments4 pack K9 Advantix Flea Tick Mosquito Prevention for Small Dogs 4 10 lbs 2 Monthly Treatments3 pack K9 Advantix Flea Tick Mosquito Prevention for Large Dogs 21 55 lbs 2 Monthly Treatments6 pack K9 Advantix Flea Tick Mosquito Prevention for Large Dogs 21 55 lbs 2 Monthly Treatments3 pack K9 Advantix Flea Tick Mosquito Prevention Treatment Small Dogs 4 10 lbs 2 Count6 pack K9 Advantix Flea Tick Mosquito Prevention for Small Dogs 4 10 lbs 2 Monthly TreatmentsK9 Advantix Flea Tick Mosquito Prevention for Extra Large Dogs Over 55 lbs 2 Monthly TreatmentsK9 Advantix Flea Tick Mosquito Prevention for Medium Dogs 11 20 lbs 2 Monthly Treatments2 pack K9 Advantix Flea Tick Mosquito Prevention for Medium Dogs 11 20 lbs 2 Monthly Treatments3 pack K9 Advantix Flea Tick Mosquito Prevention for Extra Large Dogs Over 55 lbs 2 Monthly TreatmentsK9 Advantix Flea Tick Mosquito Prevention for Large Dogs 21 55 lbs 2 Monthly Treatments6 pack K9 Advantix Flea Tick Mosquito Prevention for Medium Dogs 11 20 lbs 2 Monthly Treatments2 pack K9 Advantix Flea Tick Mosquito Prevention for Large Dogs 21 55 lbs 2 Monthly Treatments
Multipack Quantity1
Pet SizeSmall

Key item features

  • Works through contact, so fleas, ticks and mosquitoes do not have to bite your dog to die
  • K9 Advantix Small Dog 30-day treatment & prevention protects dogs 4-10 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
Current price is $14.98$7.49/count
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Customer ratings & reviews

4.3 out of 5 stars
stars
7,256 ratings1,989 reviews
How item rating is calculated
  1. 5 stars68% (4,942)
  2. 4 stars13% (939)
  3. 3 stars8% (560)
  4. 2 stars3% (244)
  5. 1 star8% (571)

Reviews summary

Pros

  • : Application process is fast and requires minimal effort.
  • : Offers good cost-to-benefit ratio.
  • : Reduces scratching and itching in dogs.
  • : Prevents and kills fleas and ticks.
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Showing 1-3 of 1,989 reviews

Jan 29, 2026
Mel
Item details
Multipack quantity: 1
Pet size: Large
5 out of 5 stars review

Verified Purchase

K9 Advantage works

We had been having trouble with fleas when our dog. I had tried various other flea treatments, but none of them seem to work to eradicate all of the fleas. After reading the reviews,I had hopes that K9 Advantage might help. I'm glad I took the chance. One treatment was enough to kill all the fleas off my dog was in days. And they stayed off. I'm relieved to finally found a flea treatment that will work as promised.

Helpful?2AOU0QP68G3R5409215751
May 19, 2025
Lori
Top Reviewer
Item details
Multipack quantity: 1
Pet size: Large
5 out of 5 stars review

Verified Purchase

Tried %26 True

I prefer an oral flea treatment as I don't want pesticide in my own bloodstream from the topical getting on everything the dog lays on (%26 then I touch). But I have 1 dog that can't take oral treatment. So I've used Advantix for 12yrs. I do bathe him exactly 24hrs after application to avoid it transferring around my home.

Helpful?2AOU0QP68G3R5409215751
Jul 25, 2025
Rebecca
Item details
Multipack quantity: 1
Pet size: Small
5 out of 5 stars review

Verified Purchase

I've used this brand before with another dog, so I know it works well. It is easy to apply and you only need to use it once a month. At the time that I purchased it, it was around $15 for two applications, with it only needing to be applied once a month. As such, it will hopefully get me through flea and tick season without needing to buy more. And even if I do need to buy more, it won't cost much and won't take long to receive it, so it makes it easy.

Incentivized Review
Helpful?2AOU0QP68G3R5409215751