Marie I don't know how much weight you put into what I say but I'm going to butt in and say I've felt for a long time reading your posts that you've been given a lot of bad advice.
I don't want this to seem like I'm minimizing what you're going through, but I think it's very likely you've never had Addison's. If the person that diagnosed you with Addison's is the same person that said all those symptoms are due to sodium loss (sodium loss is not a cause), I'd be very suspicious of seeing this person again. Just my (unsolicited) opinion..