The only problem is that Advocate treats not only fleas but heartworm and intestinal worms etc, I was not aware that there was something around that combined both.
I did use Advantix also by Bayer and my vet was very reasonable - by boy is black and seeing a tick is difficult. But now I just by Frontline both a spot on, I am not at ease with the 3 month tablet, and Drontal wormer.
As for Advocate it seems to be available on Ebay....unclear why as I thought it was like Advantix and required a prescription.
Hope someone comes along with some ideas