We can't give you medical advice here JAF - it's against our rules.
I know it's not the answer you wanted but I really recommend you seek professional advice with this - you have pain and tapering issues, mixed with fear and anxiety...this really isn't a do it yourself job IMO.
Find a Dr you trust and work out a tapering schedule with them - you could make your reluctance to take other meds clear.
You'll find a lot of support here in staying clean tho, both in this forum and our substance abuse
forum as well