Activyl and Activyl Tick Plus For Dogs: A Highly Effective Innovation in Flea & Tick Treatment

Activyl is an innovative flea treatment that is highly effective at killing fleas and preventing infestation.1 Activyl doesn't just kill adult fleas, it is unique in stopping flea eggs and larvae from developing. This breaks the flea life cycle and keeps your home and your pets safe from fleas.1,2 Ask your veterinarian if Activyl or Activyl Tick Plus for Dogs is right for your pet.

Activyl® for Dogs, Activyl® for Cats

Activyl is a monthly spot-on flea control that works by using enzymes inside the flea to activate its full flea-killing power.

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Activyl® Tick Plus for Dogs Only

Activyl® Tick Plus combines innovative flea control and proven tick protection to give you and your dog the best of both worlds.

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Keep Fleas & Ticks Off Your Pet

Fleas are tiny pests that can create big problems for your pet. Get the facts, learn how to check for fleas and find the best treatment options for your cat or dog.

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Ticks can be found right in your own backyard. Research ticks in your area, tick-borne diseases, how to help prevent ticks in your home and what to do if you find a tick on your dog.

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MyPet understands pet parents can be busy people too! From new additions to long-time family members, MyPet has the tools you need to take care of your favorite furry friends.


Keep track of all your pet's appointments and treatments with the MyPet Reminders app. Create personalized profiles for each pet!

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Further Reading

Find more information, facts and treatment options for stopping and preventing fleas and ticks inside and outside your home.

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  • 1. Data on file, Merck Animal Health.
  • 2. Guerino F, Qureshi T, Hair J, Young D, Fiourie J. Indoxacarb Kills Developing Stages of Fleas in the Environment of Treated Cats. Presented at the WSAVA/FECAVA/BSAVA World Congress. 12-15 April 2012. Birmingham, UK.