Im in the USA and regular GP docs cannot treat pain with opioids anymore....for more than like 3 days.
My RSD was dx years back and I have been with a pain mgt. doctor ever since. My pain levels are very high, too, and for levels like that, here in the USA, it is critical to be in pain management.
I tried the suboxone aka buprenephrine and it was terrible for me.....my pain levels crept up over the course of a few days and I had to RUN back to my pain mgt doc!