Elanco K9 Advantix II Flea, Tick & Mosquito Repellant Large Dogs 21-55 lbs. 2 pk

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K9 Advantix II is a convenient monthly topical application that kills and repels fleas, ticks and mosquitoes, kills lice and repels biting flies. It’s specially formulated for dogs with imidacloprid, permethrin and pyriproxyfen for broad-spectrum protection against these ectoparasites that can transmit diseases to your patients. And because it kills through contact, there’s no biting required.


  • Biting flies
  • Flea allergy dermatitis
  • Flea eggs
  • Flea larvae
  • Flea pupae
  • Fleas
  • Lice
  • Mosquitoes
  • Ticks

Side effects may include signs of skin irritation such as redness, scratching or other signs of discomfort. Gastrointestinal signs such as vomiting or diarrhea have also been reported. Do not use K9 Advantix® II on cats.

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