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Seresto® Flea & Tick Collar for Dogs

The Seresto collar provides dogs with clinical strength, flea and tick protection for 8 continuous months. Without the need for a prescription, the #1 Vet Recommended flea and tick collar provides premium protection without the premium price tag.


Why Choose Seresto?

  • Eight Icon
    Provides 8 continuous months of clinical-strength flea and tick protection for dogs.


  • Flea and Tick Icon
    Seresto kills and repels fleas and ticks through contact, no biting required


  • Seresto is odorless, non-greasy, and water-resistant.


  • Seresto collars are easy to apply and are designed with a ratchet-release mechanism to allow for quick removal.


Discover the efficacy and safety profile of Seresto

More than 71 million Seresto collars have protected dogs and cats from fleas and ticks.

Seresto Dosing Table


Species - Seresto Small Dog (puppies and dogs 7 weeks of age and older)
Weight Bands - Up to 18 lbs (8 kg)
Number of collars - 1
Species - Seresto Large Dog (puppies and dogs 7 weeks of age and older)
Weight Bands - Over 18 lbs (8 kg)
Number of collars - 1


How To Apply Seresto

  • Seresto application icon 1
    Step 1

    Insert the end of the collar through the buckle.

  • Seresto application icon 2
    Step 2

    Adjust the collar around the dog’s neck without it being too tight or too loose. It should be possible to insert two fingers next to each other comfortably between the collar and the neck.

  • Seresto application icon 3
    Step 3

    Pull excess collar through the loop(s). Collar length greater than 1 inch beyond the loop(s) should be cut off unless it is on a growing puppy.

  • Seresto application icon 4
    Step 4

    Three reflector clips may be fixed permanently to the collar to increase the dog’s visibility in the dark. Evenly distribute the clips on the non-overlapping part of the collar. The clips are correctly applied when a clicking sound is heard.

Seresto® Flea & Tick Collar For Dogs

Occasionally, scratching may be observed in dogs who are not used to wearing collars during the first few days after fitting. Clients should ensure the collar is not fitted too tightly. Slight hair loss and mild skin reactions due to the mechanical irritation of the collar may occur at the application site; this usually clears within one or two weeks without the need for collar removal.

Keep the collar in the bag and in the outer packaging until use. Keep out of reach of children. Choking hazard — contains small parts. For external use on dogs only. Do not use Seresto® for Dogs on other animals.

For more information, please refer to the Product Label.

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