Thanks for a well written informative post. Day 13 for me now and I am 57 and been on pain management for 10 years. Methodone is in every bit of my body and it has almost killed me coming off it. You are dead on with your symptom list and besides lack of sleep now, dehydration is a major problem. May have to head to hospital and get iv liquids. I have done this alone , no family support, my friends think its no big deal same as a cold. They can't seem to understand. Hope your issues with the spine are much tolerated, I am going to find away to handle mine without opiates. I will try the benadryl for sleep, could sure use a few hours..thanks again