This reaction also occurs in cats when their immune system overreacts ... This can include cleaning products, certain fabrics, or even flea collars. Symptoms of contact allergies include localized ...

Cats with severe flea infestations can ... USA Today reported 1,700 animal deaths and other adverse reactions linked to Seresto flea collars. It's unknown if the EPA-approved pesticides used ...

Avoid using flea collars, which contain chemicals that have been shown to have troubling health impacts on dogs, cats, and ...