Clinical-Strength Protection
Recommended by vets. Hated by fleas and ticks. Seresto gives your dog or cat 8 months of hassle-free defense.

How Seresto Works
The active ingredients (Imidacloprid and Flumethrin) are stored in the collar’s polymer matrix and released over 8 months.
No other flea and tick collar has this combination of ingredients.
About Seresto
Seresto is the #1 veterinarian-recommended* flea and tick collar, providing up to 8 months of continuous protection for your dog or cat. Its unique design releases two active ingredients—imidacloprid and flumethrin—to effectively kill and repel fleas and ticks through contact. It’s clinical strength flea and tick protection without a prescription.
*Data on file. Elanco Animal Health


How Seresto Works
Seresto offers top-tier flea and tick prevention for pets, combining convenience and efficacy in a water-resistant collar.
Trusted by veterinarians, Seresto delivers up to 8 months of continuous protection, ensuring pets remain pest-free and comfortable.
Choose Seresto for long-lasting, hassle-free care that keeps pets happy and healthy.