Seresto flea collar linked to deaths of 2,500 dogs and cats in the United States

A report presented to the US Congress last Wednesday (6/15) warns of the risks of the flea and tick collar, created by Bayer, which is said to have affected 100,000 pets

The Seresto flea and tick collar is widely used by pet owners (Photo: Americanas.com.br/Reprodução)

The famous anti-flea and anti-tick collar Seresto, created by the German biopharmacy Bayeris accused of causing 100,000 incidents and 2,500 deaths from dogs e cats in the USA. The problem consists of a report presented to Congress American, inform the broadcaster CBS News.

Nearly 34 million of these pesticide collars have been sold to US pet owners since 2013, promising to ward off ticks and fleas for up to eight months, compared to other treatments applied monthly. But the Bayer product has been associated with more reports of death and illness in pets than its competitors, according to the report of the subcommittee on economic and consumer policy U.S. Congressional Oversight and Reform Commission.

As the broadcaster shows, the document highlights the number of reports of illness or death that owners have linked to the collar, as well as Canada’s decision to ban sales of Seresto because the safety review of the product and the toxicology studies revealed that it “represented a very high risk for Pets and owners for sale in Canada”.

During a hearing in committee last Wednesday (15/06), the CEO of Elanco Animal HealthJeffrey Simmons, who acquired Bayer’s animal health business in 2020, told members of Congress that the collar is safe and has been approved by the Environmental Protection Agencysubject to more than 80 safety, toxicity and efficacy studies.

“Adverse event reports are not proof of causation. We found no deaths due to the ingredients in the collar,” the company’s representative commented during the Oversight Commission hearing and of reform, quoted by CBS News.

In 2021, there were just over 17 incidents per 10,000 collars sold, with most issues involving irritation or redness, according to Elanco. In a statement to the US broadcaster, the company explains that an analysis of all reports from 2013 to 2021 shows “no established link between Seresto’s active ingredients and the death of Pets”.

Symptoms in Pets

The report presented to the US Congress cites that the Canadian Pest Management Regulatory Agency found that with the use of Elanco’s Flea and Tick Collar, hundreds of pets were showing symptoms such as lesions and skin irritation, which sometimes occupied large areas of the animal. body and did not heal after removing the product. Other symptoms include lethargy, abnormal behavior, excessive grooming and vocalization, vomiting, diarrhea, and anorexia.

“These worrying symptoms appeared soon after starting to use the Seresto collar, especially in the first month. Many pet owners have responded by removing collars from their pets as soon as possible.

The document presented to members of Congress included several recommendations, such as a voluntary recall of the collars by Elanco. It also suggests that the Environmental Protection Agency revise its process for reviewing pesticide products.

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