Outlast, don't panic. I only think it hurt so much 'cos my nerves had been out of sorts any way. Even I think on a better day it wouldn't hurt as much. Soon as the needles came out it started feeling better and thanks to the local there isn' t any of that awful ache after. So, while it hurts like hell, it's a pretty forgettable hurt.
Thanks to everyone for the well wishes.
Pain is down to a 3 now on both sides!!