Thanks for choosing health care magic for posting your query.
I have gone through your question in detail and I can understand what you are going through.Fibromyalgia
could be an illness that you are suffering from as this is the age when it actually starts. Rest all you have checked and are through.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
In future if you wish to contact me directly, you can use the below mentioned link:
Wish you good health,
Dr. Srikanth Reddy M.D.