I denied my diagnosis for years. I also have been diagnosed with osteoarthritis, a seizure disorder, and cardiovascular disease.
According to what I've read recently, it isn't unusual to have fibromyalgia AND arthritis. Peachy, huh.
So sorry about your suffering
Please look into underlying fundamental factors, such as low thyroid function which can commonly cause chronic fatigue and fibromyalgia symptoms.
Dr. Lowe from the Fibromyalgia Research Foundation supports the premise that MOST fibromyalgia patients are either hypothyroid or thyroid hormone resistant.
To rule this in or out you must forgo the standard serum thyroid testing (TSH, T3&T4) which only indicate... serum levels and ask (insist if you have to!) for Free T3, Free T4 and Reverse T3 to test for accurate thyroid cellular FUNCTION!
Some of these tests may not have an insurance code, so you may have to pay out of pocket, but it is vital to have this done properly.
It could potentially save you from many years of unnecessary suffering!
If you need more details let me know.