Gunther isn't on painkillers, just anti-inflammatories. He's on Carprofen 75 mg. It works really well with him and he was in as much pain with his as yours seems to be now.
Hail Gunther 7-2-2013
If at first you don't succeed, destroy all evidence that you ever tried.
"Some people never end up going crazy...what a truly terrible life they must lead." - Unknown