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Seresto cat collar

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Seresto ® is distinct from conventional collars against fleas and ticks. Uses a novel combination of materials that allows the safe and controlled release of small doses of the active ingredients for 8 months.

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28,61 € tax incl.


33,66 € tax incl.

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Protection against fleas and ticks for eight months

With its innovative delivery system, Seresto offers a breakthrough in flea and tick protection for dogs or cats for eight months.

Features and benefits:

  • For dogs or cats
  • Kills fleas
  • Repels and kills ticks
  • If a tick is repelled or killed, it can't attach and
    transmit the organisms that may cause disease
  • Non-greasy, odorless, easy-to-use

Seresto protects kittens, puppies, cats and dogs

CATS10 WEEKS of age or older
SMALL DOGS7 WEEKS of age or older
(up to 18 lbs)
LARGE DOGS7 WEEKS of age or older
(over 18 lbs)


Seresto works

An effective combination

Inside the unique polymer matrix of Seresto are two active ingredients:

  • Imidacloprid has been used in products recommended by veterinarians for years to control flea infestations.
  • Flumethrin works to repel and kill ticks. Already used in Europe, this effective active ingredient now comes to the US.

Flumethrin works together with imidacloprid to provide dual action against fleas and ticks. No other treatment has this combination of ingredients [FIG. 1].

The active ingredients spread from the site of direct contact [FIG. 2] over the skin surface of the cat or dog [FIG. 3 & 4].

Sustained release technology

Seresto works similarly to a monthly topical, but as the active ingredients wear off over time, a new supply is continuously replenished in low concentrations. The active ingredients spread from the site of direct contact over the skin surface.

Bayer's polymer matrix technology is designed to slowly and continuously release the active ingredients over eight months, a duration that makes it clearly different from other collars.

See how Seresto works

Learn about its sustained release technology.

Seresto is water resistant

The active ingredients of Seresto are contained within the Bayer Polymer Matrix, making it water-resistant. Therefore it is unecessary to remove the collar before the pet is immersed in water. Seresto remains effective following a shampoo treatment, swimming, or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for eight months. In order to maintain an 8-month duration, dogs must not be bathed more than once per month. For dogs that swim once a month or more, the control duration is reduced to five months.

fleas and ticks

Fleas and ticks are more than just annoying. They can cause several serious health issues.


Fleas can also lead to serious health risks:

  • Skin problems

Flea bites can cause flea allergy dermatitis (FAD), an allergic reaction that can lead to constant scratching, severe itching and hair loss.

  • Intestinal parasites

Ingestion of an infected flea can transmit tapeworms, one of the most common intestinal parasites seen by owners.

  • Anemia

Sick and older animals can become anemic when infested with fleas. Heavy flea infestations can even cause death.

Fleas are not just a “dog problem”

You or your dog can bring fleas home to infest your cat without you realizing it. This, plus any outside exposure can put a cat at risk for fleas.

how to
apply Seresto

Monthly flea and tick treatments can be time-consuming to apply. Plus, remembering to apply them monthly can be a hassle. Seresto takes just minutes to adjust on your dog or cat, and provides treatment that lasts eight months against fleas and ticks.

Seresto kills fleas within 24 hours and kills ticks within 48 hours of initial application.

Application is easy

1. Remove collar from protective bag immediately prior to use.

2. Unroll collar and make sure that there are no remnants from the plastic connectors inside the collar.

3. Insert end of the collar through the buckle. Adjust the collar around the dog or cat’s neck without tightening it too tight (as a guide, it should be possible to insert two fingers between the collar and the neck).

4. Pull excess collar through the loop(s) and cut off any excess length extending 1 inch (2 cm) beyond the loop(s).

5. Seresto comes with three optional reflector clips that can be attached to the collar to help keep your dog visible at night. The reflector clips should be evenly distributed on the non-overlapping part of the collar.

Make sure Seresto fits securely

You should only be able to fit two fingers between the collar and the dog or cat’s neck. Make sure the collar is not loose enough for the cat to put its leg through.

If your dog or cat is not used to collars

Please carefully observe your dog or cat when it’s wearing a collar for the first few days, especially when the pet is not used to wearing a collar. Try using a tasty treat, toy or other activities to distract your dog or cat’s attention from the new collar.1 Occasionally slight itching may be observed in animals that are not used to wearing collars in the first few days of fitting. Ensure that the collar is not fitted too tightly.

Please ensure collar is applied correctly. For complete product information and directions for use, please refer to the package insert.

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Seresto cat collar

Seresto cat collar

Seresto ® is distinct from conventional collars against fleas and ticks. Uses a novel combination of materials that allows the safe and controlled release of small doses of the active ingredients for 8 months.

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