Seresto flea & tick collar on orange cat

You'll both appreciate 8 months of continuous flea and tick prevention.

Cats are independent by nature, but they still need your help with flea and tick protection. Seresto® collar for cats is designed to be a convenient way for you to help protect your cat from fleas and ticks that can cause bites. 

Our innovative Sustained Release Technology provides protection from fleas and ticks for 8 continuous months in each non-greasy 8-month flea collar. That's one easy-to-use collar instead of 8 monthly treatments.


Seresto® Flea & Tick Collar Benefits

The Sustained Release Technology of Seresto® for cats kills and repels fleas and ticks for 8 months in an easy-to-use, odorless, non-greasy flea collar.

Seresto<sup>®</sup> kills and repels fleas FLEAS

Product Label Application & Safety Information
Seresto<sup>®</sup> for cats packaging  and collar
  • Seresto® collar for cats is engineered for 8 months of continuous protection.
Seresto eight-month flea & tick collar for cats

Truly unique collar technology for your cat.

  • Seresto® is a unique polymer matrix flea & tick collar that offers a continuous supply of two active ingredients: imidacloprid and flumethrin for effective 8-month protection against fleas and ticks. That's one convenient, non-greasy, odorless flea and tick collar instead of 8 monthly treatments

    The active ingredients are stored within the collar. They are released in low concentrations and are distributed over your cat's hair and skin surface for 8 months. As active ingredients wear off over time, the Seresto® flea collar for cats continuously replenishes the skin and hair coat with a new supply of active ingredients. Fleas and ticks are killed through contact with the active ingredients - no biting required. 


Seresto® means 8 months of
effective, convenient flea and tick prevention.

  • Why the Seresto® 8-month flea collar gets solid reviews


    See what pet owners and veterinarians alike are saying about Seresto®. 2:10

  • How does Seresto® work?


    See how the Seresto® collar helps protect your cat from fleas and ticks for 8 months. 1:14

  • How to use the 8-month Seresto® cat collar


    Learn about the proper fit for Seresto®, an 8-month flea and tick collar for cats, that's non-greasy, odorless and easy to use. :58

  • Seresto® dog and cat collar: Release Mechanism


    All Seresto® 8-month flea and tick collars are designed with a ratchet-release mechanism. :39

  • Seresto® flea efficacy


    Watch Seresto® kill fleas effectively in this video shot four days after application. 1:42

  • Seresto® tick efficacy


    Watch Seresto® effectively repel ticks four days after application. 1:43


Compare Seresto®

See for yourself how Seresto® compares to flea and tick preventives from other brands.


Save $5 on Seresto® for Cats

Give your cat 8 months of continuous protection against fleas and ticks.


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Eight-month Seresto collar for cats

Works for you.

  • Less hassle, no mess. The Seresto® flea collar for cats is non-greasy, and helps avoid the hassle of applying monthly treatments.

    Easy to use. Application is easy. Seresto® takes minutes to adjust on your cat, and provides treatment that lasts 8 months.

    Designed for your cat. The Seresto® cat collar has a two-way release mechanism that allows your pet to get out of tight spots.

Cat wearing Seresto flea and tick collar

Works for your cat.

  • Fleas don't have to bite to die. Seresto® works through contact killing and repelling fleas that can cause painful bites.

    Protection against ticks. Seresto® kills and repels ticks, too. And if a tick is repelled, it can't attach and transmit diseases.

    Less stress. With 8 months of continuous flea and tick prevention, you don't have to worry about the stress of re-applying a topical.

Seresto collar for cats - flea & tick infographic

Cat wearing Seresto flea & tick collar looking out a window

The more you know, the better. For both you and your cat.

  • Learn about the ins and outs of fleas and ticks, how bites can affect your cat, what can happen if left untreated, and more.

    Myth: ticks don't harm cats.Learn More >

    Why do the fleas keep coming back?Learn More >

    Fleas bites can hurt your cat, and your cat's health.Learn More >

    When and where are fleas and ticks a concern?Learn More >

Did you know that Seresto® is also available for dogs? SEE SERESTO® FOR DOGS

1Dryden MW, Payne PA. Biology and control of ticks infesting dogs and cats in North America. Veterinary Therapeutics. 2004;5(2):135-154.

2Cadiergues MC, Joubert C, Franc M. (2000). A comparison of jump performances of the dog flea, Ctenocephalides canis (Curtis, 1829) and the cat flea, Ctenocephalides felis felis (Bouche, 1835). Vet Parasitol. 92(3):239-241.

3Protecting animals in summer. WAF website. Available at: Accessed July 20, 2012.

Seresto® is protected by U.S. Patent No. 7,910,122.

Frontline is a registered trademark of Merial.