An effective, reliable alternative to monthly flea and tick topicals
With its sustained release technology, Seresto delivers the performance you expect from a topical treatment in an easy-to-use collar for 8 months of uninterrupted protection against fleas and ticks.
Seresto for Large Dogs is a unique flea and tick collar that provides up to 8 months of protection. Made of a novel blend of materials, it releases its active ingredients in small doses giving your dog a safe and controlled barrier. The Seresto collar not only kills existing fleas and ticks but repels ticks before they bite. This helps protect your pet from diseases spread by these parasites. Seresto can be worn along with your dog's normal collage and can be adjusted to fit any dog.