as in my last post to from galean,,,,ask your dr if your in SIP pain or SMP pain,,,if blocks in the back make you worse[if youve had them ] chances are you are in sip pain and that inplant will makle your rsd spread,,,SCS and pain blocks while your in sip pain make it spread[as it did for me] but by rule of thumb,,if you are still in smp and the blocks work,,your a canadiate for surgery,to remove the pinched pm nerve or to install the scs,,,ask you dr,as for me,,im not getting one,,,,,,,,,,the blocks and the TENS unit,,make mine inflamed and spread like poison ivey,,,,,procede with caution,,,,and as for the infection,,there are a few ladies on this board who did get a infection from an scs