I was put on gabapentin for 14 years....then developed an allergic reaction to it. Was switched to carbamazapene (which my mother's pain doctor said he wouldn't give to his worst enemy). I found out why....one of the biggest side effects is it can cause bone loss. Now I have osteoporosis. I now take tumeric for my nerve pain from transverse myelitis and get even better relief than I ever did from drugs!