A brand proudly protecting against pests for 20 years
Unlike most other monthly topicals, K9 Advantix® II is vet-recommended to kill and repel fleas, ticks AND mosquitoes through contact. That means no biting required. Whether you live in a busy city or off the beaten path — and regardless of which pests you encounter there — K9 Advantix® II helps you adventure on with confidence.
Just select your dog’s weight, your preferred dosage and your favorite retailer below to buy now.
When bugs are off, adventure is on — thanks to K9 Advantix® II.
Triple pest protectionKills and repels fleas, ticks and mosquitoes through contact, so they don’t have to bite your dog to die.
Vet-recommendedNo prescription needed. You can find K9 Advantix® II at plenty of stores or online retailers.
WaterproofK9 Advantix® II is waterproof after 24 hours. You and your dog can be ready for adventure together no matter the weather.
Easy-to-apply monthly topicalThe applicator makes it easy to apply even with thick fur. One application lasts for 30 days.
Adventure is waiting. So are fleas, ticks and mosquitoes. K9 Advantix® II kills and repels all three.
Top questions about K9 Advantix® II for dogs
How do I apply K9 Advantix® II to my dog?
It's easy to apply K9 Advantix® II flea, tick and mosquito treatment to your dog. Simply watch this video, follow the steps below or refer to your product package instructions.
How long does it take for K9 Advantix® II to work?
K9 Advantix® II starts to kill fleas through contact within 12 hours — half the time of other leading topicals.* And it keeps killing and repelling fleas, ticks and mosquitoes for 30 days.
*Based on label claims.
What makes K9 Advantix® II different from other brands?
Unlike most competitors, K9 Advantix® II doesn’t just kill fleas and ticks — it repels them, too. It also kills and repels mosquitoes that may transmit heartworm disease and West Nile virus.†
†This product is not a substitute for prescribed heartworm preventative.
Have more questions about K9 Advantix® II?
K9 Advantix®, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates.
Do not use K9 Advantix® II on cats.
Always read, understand, and follow the label and use directions.
