Bayer Seresto Flea and Tick Collar for Large Dog- from 7 weeks onwards or over 18 lb, 8 Month Protection. Bypatricia ashleyon December 17, 2016. .. Now, for side effects and why I won't be using them again, even though I really like .
Learn about Seresto Small or Large Dog for animal usage including: active ingredients,. No need to remove collar when your pet goes swimming or gets bathed.. If you notice any serious effects or other effects not mentioned in this leaflet,. If your dog is experiencing an adverse event, contact your veterinarian and call .