Seresto Flea Collars Linked to Almost 1700 Pet Deaths - Page 1

Pedigree Database


by GSCat on 03 March 2021 - 07:03

Seresto Flea Collars Linked to Almost 1700 Pet Deaths



by GK1 on 03 March 2021 - 08:03

I’ve hadn’t had problem with fleas, but suspected the potential toxicity with some of these collars, with chemicals manufactured who knows where. I’m sure there are more natural, safe prevention/treatment measures worth consideration.

by Kiomak on 03 March 2021 - 09:03

Those are just the reported deaths. And the pesticides being marketed as "ingestible" have killed many thousands more.

by jillmissal on 03 March 2021 - 19:03

I guess I'm the only one who looked at the "documents" which contain next to no useful information whatsoever. It doesn't say who made the complaints, what the complaints were, what was the manner of the alleged death, whether an actual diagnosis was made, why the pet died, who concluded the collar was to blame, etc.

I've only found one veterinary-related article (DVM360) which is not loading correctly so I can't read the whole thing. Here it is in case anyone has better luck

If this is a bunch of people tweaking about "OMG SERESTO KILLED MY DOG" when the dog just happened to die of other causes soon after the application of the collar, I will not be one bit surprised.


by Hundmutter on 04 March 2021 - 03:03

Have used a Seresto flea collar without problems. I did not think it was particularly effective, so have returned to other products since then. Don't really like extra gubbins around the dog's neck anyway, so wasn't sorry. This was about the time there started to be a lot of this 'news' about, suggesting the connection with deaths. I haven't seen much in the way of genuine sounding research on it either, although I confess not to have looked very hard.

I think it pays us to keep a wary eye on all products, rather than blindly accept the manufacturers' assurances about them being no threat at all (including all vaccinations !) - after all there have been some horrendous mistakes in the past e.g. Thalidimide - but we do have to remind ourselves to seek proper evidence and not just 'panic & re-tweet' stuff. And then weigh up the (usually infinitisimally small) risks versus the good a product will do for overall numbers.


by GK1 on 04 March 2021 - 08:03

75,000 reported adverse health reactions among pets and humans…all fabrications? sure negative reactions can be due to a combination of factors virtually impossible to pinpoint. chemicals in the flea collars could be or could not be a catalyst. same with industrial toxins in drinking water; toxins in some processed foods, etc.. you couldn’t pay me to put that poison around my dogs’ necks.

by jillmissal on 04 March 2021 - 09:03

It's not "75,000 reported adverse health reactions." It's ALLEGED health reactions over the past twelve years. The news reports are full of anecdotes: "67 year old woman slept in a bed with a dog with a seresto collar, and had heart arrythmia." "My dogs suddenly died and the only thing it could be is the Seresto collar." Etc. Etc. No information from a veterinarian saying "yes this collar made this dog suddenly die."

Some people might report redness or a rash if they had the collar on too tight. It just goes on and on. Whereas there are tens of millions of collars in use - even if all 75K complaints are valid (they aren't), that is a very very tiny fraction of users affected.

There are some risks with all flea and tick medications but a lot more risks to not having them, which is how medicine works.


by GK1 on 04 March 2021 - 09:03

Alleged, reported...whatever the case, looks like a pattern requiring an investigation. For some, probably seems more like a crime scene. Weeks, months of direct, continuous exposure to pesticide near the ears, eyes and mouth. No thanks.

by jillmissal on 04 March 2021 - 09:03

Looks like a pattern requiring an investigation

Sure, if you put it in big scary letters that 1700 PETS DIED OMG. But the facts are that 25 million Seresto collars were sold in the USA in that time frame. Even if all 75000 reports were 100% true and accurate, then %.003% of collars produced a reaction. Does it still look like a pattern?  Then consider that probably most of those reports are spurious. Even if only half are true, we are looking at a reaction rate of %.00015. And it's incredibly unlikely that even half of the reports are valid, because bear in mind there is no way at all to verify any of the reports or check for details or even check whether or not they were using a Seresto collar, a fake knock off purchased for cheap on Amazon, or any flea collar at all. Does it still look like a pattern?


by jillmissal on 04 March 2021 - 09:03

Here is an analysis of these scary stories from a veterinarian.




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