Hi NanKate
I've got ME/CFS, Allodynia and Fibromyalgia, plus under-active Thyroid and a load of other conditions. I was prescribed Amitriptylene for Fibro, Allodynia and M.E. pain, but I belong to an online ME Group and there were some horror stories on there regarding weight gain and addiction. Whilst trying to stop taking them, the withdrawal symptoms were awful apparently.
So I decided not to start them. I have been trying to lose weight for years, and have accepted I will never again be a size 8-10 and am now a 14. I know I would be miserable if I went up another dress size so I deal with the pain in other ways.