Personally I found it absolutely fine. I was a little nervous, but the Dr was reassuring, it didn’t hurt at all, but felt a little strange. It took less than five minutes, and was only mildly uncomfortable. I think everyone has varying experiences, and like any procedure, a lot depends on the where/when/who but I can quite honestly say mine was fine, and I wouldn’t be nervous if I had to have another.
My back was a little sore for a few days. I was lucky not to experience any of the side effects, headaches being the main one, but they suggest lots of caffeine to help with that.
I had to lie flat for about 5 hours after, so suggest taking a book or iPod to keep yourself amused!
All the best
(ps, my Dr also sung ‘The Bird Is The Word’ from Family Guy most of the time, which really took my mind off it!)