I'm just so sorry you're having such a rugged day aready. I'm in there paddling the same boat with you.
Although I had to frequently take a lot of Xanax in the weeks after my husband died (.50mg 3-4 x/day), my use never evolved into addiction. My anxiety was so intense that I think I just metabolized every single milligram of it. Except for reading your journey, I don't really know too much about the detox process, so I'm just writing to help give you some support.
During the first week of my hydro detox I was drinking about a quart of pomegranate juice a day. For some reason, my body seemed to be telling me that it needed all the antioxidants it could get. As I've already written, acupuncture really helped with the craving end of the process, as well as with my headaches. I'm wondering if it might also help you.
So far today it's overcast and much cooler than it has been for the last few days, so maybe I'll be able to actually get out and take a walk. Maybe we can do a cyber-walk together. I managed a short one yesterday and it *did* feel good, even walking fairly slowly.
It's so hard to be brave, but I think you really are quite courageous. Every minute "free" is a victory--rather like WWI's slow advance up from the trenches and across the killing fielRAB, sometimes only taking a few feet at a time.
So, let's sally forth into the unknown, you and I, and grab each moment and hang on for dear life each second that we're free. AND if the burden beats us from time to time, let's not bury ourselves in remorse and recrimination. (Written as much to encourage you as myself.)