Hi Sallysue, TN is trigeminal neurlagia-a painful condition. At the temple of your head-3 nerves come together. I just have it on my left side. There is a forum just for TN on this site.
I don't think lupus can 'result' from crps, it's just another autoimmune disorder. like crps, it can affect your kidneys, I'm waiting for my second urine test--found blood in urine in first test. loretta