Yep, the old Gabapentin (generic name) or Neurontin. Was on 800mg three times a day for years. Ive been on Vicodin, Gabapentin, Hydromorphone, etc.. Spent 20 plus like you on different meds. I went off Gabapentin years ago due to same side effects as you. Vicodin helped for years too, but you build up a tolerance to it. Went off all for years like you, but the older I get the worse it has become. Now Im having lower back issues. L4,5,6 and S1 are fubar. They want to fuse that area, but I do not want to. I have experienced the bad side of fusions with my neck results. And at my age, I do not think my results will be good. Shots in the lower back help, but are not a long term fix. I go in next week for two shots in the back. I may ask my pain Dr. to put me back on Gabapentin to see if it helps.