restlessness & anxiety,I have severe lower back pain with extremely painful sciatica,mostly on my left side. I wake up w/ it@ nite,it presents as severe burning,pain,often feeling as though my leg is on fire.I have severe back pain d/t an injury rec'd at work in 2007,My pain has increased greatly x 2 yrs.,& since the pain clinic I go to has gotten a new doc in charge,my life has been hell,I was weaned off Percocet,given Fentanyl patch,w/little relief,pain clinic wants me to continue w/ this drug,but I just don't feel heard when I express my S.E. to them,Thinking about switching to another pain clinic,Please,any advice would be greatly appreciated.