In the "mild" category, some online reviewers have reported reddened skin on their dog directly under where the collar sits.

One noteworthy collar is the Seresto Flea and Tick Collar for Dogs, which uses sustained-release technology to provide eight months of continuous protection against adult fleas, flea larvae ...

An average of 21 pet deaths linked to the collars have been reported ... whether the agency has violated federal law by failing to take action on the Seresto flea collar. Emails previously released ...

Treat your furry friend to the best: the Seresto Large Dog Vet-Recommended Flea & Tick Treatment and Prevention Collar. Thanks to the Amazon Big S p ring Sale going on now through March 31 ...

WASHINGTON— The Environmental Protection Agency today ordered warning labels be placed on Seresto flea and tick collars, which have been linked to tens of thousands of pet injuries and deaths in ...