The popular Seresto flea ... of pets included skin lesions and irritated skin, which sometimes covered large areas of a pet's body and didn't resolve after the collar was removed, the report ...

An investigation found 75,000 incidents linked to the Seresto ... collars is simple: Place them around your dog or cat's neck, and two active ingredients stored inside are released onto the skin.

Seresto collars contain two different pesticides, Imidacloprid and Flumethrin, designed to ward off fleas and ticks. Pet owners told lawmakers the collars have led to skin irritation, seizures, ...

Imidacloprid/flumethrin (Seresto) is a combination medicine in a collar your dog can wear to help control fleas, ticks, and chewing lice. Your cat can wear the same ...