This sounds to me like not the sort of thing you should be asking a rationalist blog about. Self-diagnosing isn't safe. Asking a bunch of non-medical-professional strangers to diagnose via a symptom list on the internet is even worse.
Go to the doctor. Do what they say. See what the results are. Repeat as necessary. If one doctor seems to not be working, go to a different one.
She has been utilizing this technique, I was just hoping to sacrifice a bit of karma for the a possible perceived worldview gain if one of you stumbled on a useful hypothesis.
I may not have the community Karma of our dear Alicorn to make a top level post asking about a dear friend of mines illness that so far has remain undiagnosed but I would appreciate any discussion level support on these Symptoms.