My 12 year old has CRPS in his right foot. He has been having symptoms since September. He has tried all the medication (such a Lyrica) and he has a bad reaction to them. He has also been attending physical therapy three days a week. They have tried the nerve block, but other issues arose. The doctor has decided the best course of action is to do a epidural and intense therapy as a in-patient. My concern is the side effects of this course of action. What are the side effects and how effective is this treatment?