Firegirl I am sorry it made you worse. That is my fear in everything I try.
For rsd you have to go to private clinic because hospitals just do it for like burn victims etc. I thought one time on here I read someone's insurance covering so if you do a search it may come up. When I looked into it the place said that I should know if it is working like after 10 times. If not then it would be stopped. I am sure some doctors will string it along to make money though so just be careful on that note too. Good luck and I hope you can find what works. I swell too and the pain gets so high so can relate on that