You may have something fibromyalgia or chronic fatigue syndrome and a condition that sometimes comes along with those two disorders called orthostatic intolerance. Orthostatic intolerance refers to dizziness and other symptoms upon standing and is a complex condition that is usually cause by poor blood pressure regulation and/or rapid heart beats. This condition, unfortunately, is not particularly well known.
You might want to try the National Fibromyalgia Association or the CFIDS Association of America to find a doctor near you that knows about these conditions.
Here are some links to learn more about orthostatic intolerance
Good luck! You are not alone!
You may also get some answers here - in these Forums devoted to chronic fatigue syndrome
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