Promeris Flea and Tick Control – Dangerous, but Still for Sale

A newsgroup post gave me a heads up that Pfizer has suspended production of Promeris, their popular flea and tick preventative. Promeris has also been marketed as a treatment for Demodectic mange (demodex).

As announced in an article on Veterinary Practice News, a recent study has linked Promeris with Pemphigus foliaceus (PF), a serious autoimmune disease characterized by lesions on the skin, nose and ears.

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