Gail, I have orthostatic intolerance. it's beyond miserable. I don't have POTS either, but have found a lot of help support wise from the POTS community. I know people with POTS who are able to do a lot more than I can. I think in all conditions of dysautonomia, there are symptoms that range in severity. What have you done for relief? My neurologist who diagnosed me with orthostatic intolerance (after the tilt table and other autonomic testing) gave me a list of things to follow. It took months to notice a marked improvement, but it really did help. A year ago I was practically bed ridden. Now, I am mostly housebound, but can be up for 3/4 of the day. Huge difference. I'm happy to share if needed.