Hi Sarah,
I also have POTS dx- probably hyperadrenergic type secondary to Ehlers Danlos Syndrome- had symptoms my whole life... I got my POTS dx after I was on an EDS board and someone was talking about pre-syncope and I looked it up, ha- thought it was normal to have vision black out when standing as it had happened my whole life! I am also new and working on possible MG dx. My POTS has been fairly well controlled, but having a battery of symptoms and fatigue lately.
Nice to meet you