K9 Advantix II Dog Flea & Tick Drops 55lbs+ 4mo Supply


SKU 21370188 - Don't just kill ticks and fleas, repel new ones from attaching to your dog in the first place! Multi-ingredient approach ensures total control. Formulated for a no-mess, concentrated application that's quick and easy.

We apologize, but we can no longer sell or ship to CA as a result of PROP 65

Pricing and availability may vary by store. Please visit our FAQ and support pages for details.

K9 Advantix II is a once-a-month topical application for dogs and puppies that REPELS and kills ticks, fleas, and mosquitoes. K9 Advantix II contains imidacloprid, permethrin and pyriproxyfen that work in concert to REPEL and kill parasites that can potentially transmit disease-causing organisms.

  • REPELS and kills ticks, fleas, and mosquitoes. REPELS biting flies and kills lice, too
  • Kills ALL life stages of fleas and prevents development of fleas, flea eggs, larvae, and pupae
  • Prevents fleas on a treated dog from reinfesting the home
  • Kills fleas within 12 hours, and kills reinfesting fleas within 2 hours
  • Waterproof
  • Target Parasites: Ticks, fleas, mosquitoes, biting flies, lice
  • For dogs only
Learn More
Pets & Small Animal TypeFlea/Tick Control
Fulfillment LocationPickup at Store
Manufacturer Number08359G
BrandsK9 Advantix
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