Frontline
Merck & Co., Inc. And Sanofi-aventis-Merial Product NO LONGER WORKS for fleas
I have puchased Frontline on three seperate occasions this fall alone and none of them have worked on my cats or dogs for fleas. I spoke with my dog groomer who said she has had many of her clients complaining of the same problem. I also spoke with my Veterinarian who is now documenting all the ...