Originally posted by sirrahbed
Someone here had a cat with a bad allergic reaction to Revolution - it burned the skin and caused hairloss - so I have heard it is good to place the drops in various places rather than all in one concentrated spot - all between the shoulders but a bit apart from each other.
That was my Scout. Here's a picture of what Revolution did to her when the vet tech applied it all in one spot. It burned her skin and I had to put ointment on for a couple of weeks.