Then it might be Fibro as it does not show up on scans or blood test.... what are your tender points - areas of pain?
(Fibromyalgia is a chronic condition characterized by widespread pain in your muscles, ligaments and tendons, as well as fatigue and multiple tender points... places on your body where the slightest pressure can cause pain)
Tender Points:
http://www.mayoclinic.com/health/medical/IM03073
What does your doctor say about the pain?

... I am praying for YOU.