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

4.3 stars out of 5639 reviews
(4.3)|
5,639 ratings

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
Price when purchased online
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One-time purchase $14.98

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K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly Treatments $14.98 $7.49/count

K9 Advantix Flea, Tick & Mosquito Prevention for Small Dogs 4-10 lbs., 2-Monthly Treatments
current price $14.98
$7.49/count

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

4.3 out of 5 Stars. 5639 reviews

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Customer ratings & reviews

4.3 out of 5 stars
stars5,639 ratings1,811 reviews
How item rating is calculated

Reviews summary

Pros
  • : Application process is simple and fast.
  • : Provides long-lasting defense against multiple insects.
  • : Offers good value at this price point.
  • : Effective for dogs 7+ weeks old and over 55 pounds.
  • : Reduces scratching in dogs after application.
  • : Has little to no noticeable odor.
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Showing 1-3 of 1,811 reviews

May 19, 2025
anonymous
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
Aug 8, 2025
WalmartCustomer
Item details
Multipack quantity: 1
Pet size: Large
5 out of 5 stars review

Verified Purchase

This is the only product that works for fleas and I love that it is more affordable and also offered in smaller packs as I have 4 different size dogs. I understand having to have this stuff locked up in the store but it is quite inconvenient to have to find/wait for an employee to come unlock the area in the store so I'm glad I can have it delivered and still get it same day without the hassle. I understand theft is a big problem but I do often get tired of being inconvenienced due to other people's behaviors. (In relation to the items being locked up)

Incentivized Review
Helpful?2AOU0QP68G3R5409215751
Jul 14, 2025
WalmartCustomer
Item details
Multipack quantity: 1
Pet size: Extra Large
5 out of 5 stars review

Verified Purchase

I have used this product for a couple years now. It has always been effective at preventing and treating fleas and ticks. I'm not *********% sure about the biting flies, but my three year old Catahoula bulldog is an indoor dog and only goes outside to go potty or about three times a week to socialize with other dogs at a leashless dog park nearby. I haven't noticed any biting flies swarming him at least. I have used other flea/tick treatment, that one from Walmart as well, costing $5-$6 for a three month supply, and discovered that brand wasn't as effective after seeing a tick on my dog and increased scratching four days after applying that flea/tick treatment/prevention. I was wanting to test it's efficacy based on the very cheap price and won't use it again. Lesson learned. The price of this flea and tick treatment is very affordable, and it truly works. I have used it long enough to know it works. If anything, give it a try and see for yourself.

Incentivized Review
Helpful?2AOU0QP68G3R5409215751