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Seresto Flea Collar Pesticide Synergy and Injuries California Class Action

This class action brings suit against Elanco Animal Health, Inc. for its Seresto Flea & Tick Collar. The complaint alleges, “While pet collars have a history of harmful side effects, the number and seriousness of those associated with the Seresto collar Product exceed anything seen previously.” The incidents from the collar include pet seizures and deaths, as well as injuries to humans.

The class for this action is all persons living in California who bought the Seresto flea and tick collar for their dogs or cats since March 22, 2017.

The complaint compares the reports for incidents with the Seresto collar to those for incidents with collars made with the active ingredient tetrachlorvinphos. From 1992 to 2008, the Environmental Protection Agency (EPA) received approximately 4,600 incident reports and reports of 363 deaths involving collars made with tetrachlorvinphos. The figure for Seresto collars in the years between 2012, when the collars were first offered for sale, and June 2020, the EPA has received 75,000 incident reports and reports of 1,698 pet deaths.

The complaint alleges, “On a per year basis, the incident reports for the Seresto collar Product are thirty times greater and reported deaths 10 times greater than for pet collars based on tetrachlorvinphos.”

The Seresto collars use a combination of two pesticides. Imidacloprid is part of the neonicotinoid insecticide class. These kinds of insecticides are usually used on crops in the US, but the complaint alleges they have been connected to “massive die-offs of non-target insects such as bees and butterflies. Imidacloprid itself has been banned for outdoor use in the European Union.

The other pesticide, flumethrin, is used in only one product—the Seresto collar. The complaint alleges that it “is a nervous system disruptor, which can cause seizures, paralysis, hyper activity, and death.” The original developer of the collar is Bayer Healthcare, LLC.

The Midwest Center for Investigative Reporting (MCIR) and USA Today published a report on the collars in March 2021. The complaint quotes MCIR as saying that a 2012 Bayer study found that the two pesticides “have a ‘synergistic effect,’ meaning they are more toxic together on fleas. The study found that the ‘unique pharmacological synergism’ works as quickly as six hours to prevent ticks from attacking and feeding, preventing disease transmission.”

The complaint also suggests that the problems may also be due to a reaction of the pesticides with inactive ingredients in the collars.

According to the complaint, the “harmful effects of the Products—seizures, vomiting, heart arrhythmia, fatigue, and even death—have been experienced by pet owners and their families.”

The complaint alleges that the two plaintiffs in this case had dogs who experienced trouble from the collars. In one case, the result was a soft tissue sarcoma on the dog’s neck, which had to be removed through emergency surgery. The other’s dog died.

Article Type: Lawsuit
Topic: Consumer

Most Recent Case Event

Seresto Flea Collar Pesticide Synergy and Injuries California Complaint

March 22, 2021

This class action brings suit against Elanco Animal Health, Inc. for its Seresto Flea & Tick Collar. The complaint alleges, “While pet collars have a history of harmful side effects, the number and seriousness of those associated with the Seresto collar Product exceed anything seen previously.” The incidents from the collar include pet seizures and deaths, as well as injuries to humans.

Seresto Flea Collar Pesticide Synergy and Injuries California Complaint

Case Event History

Seresto Flea Collar Pesticide Synergy and Injuries California Complaint

March 22, 2021

This class action brings suit against Elanco Animal Health, Inc. for its Seresto Flea & Tick Collar. The complaint alleges, “While pet collars have a history of harmful side effects, the number and seriousness of those associated with the Seresto collar Product exceed anything seen previously.” The incidents from the collar include pet seizures and deaths, as well as injuries to humans.

Seresto Flea Collar Pesticide Synergy and Injuries California Complaint
Tags: Deceptive Advertising, Defective Product, Fraud