The pre-diagnosis seems to fit, but who knows. So often these types of conditions mimic each other. It would sure be nice to get an answer. I have been tested for lupus, MS, and rheumatoid arthritis, both of which are negative. I have days of being so fatigued it is all I can do to get through the day to bedtime. I have days of feeling like I'm getting something (flu-ish or a cold, headache, sore eyes, feeling mildly ill, but it doesn't amount to anything). All of my first-degree family members had autoimmune diseases, and my naturopath has said that my body behaves as though I have an autoimmune disease, but it's just not been named yet. This most recent episode came on strongly in about October and I've been like a 900 year old person since. As mentioned in my original post, I am only 53 and typically very active and lithe, but lately I need help getting off the toilet. I don't want to have a disease or syndrome, but I sure would like an answer so that I can just deal with it already!