You have hypothyroidism
. Both these conditions can cause pain in muscles and joint, and yes you know about trigger areas, so pain in those trigger areas.
For hypothyroidism, you must be already on Thyoxine.
Tell us in detail,all medications you have taken. Currently what medications you are taking and there doses.
I would appreciate , if you could also tell us all your investigations report.
After looking at your investigations and treatment you have taken, i might be able to help you diagnose your problem and discuss the treatment options.