What are the effects of fibromyalgia?
The defining symptoms of fibromyalgia are chronic, widespread pain and tenderness to light touch. Other symptoms can include moderate to severe fatigue, a heightened and painful response to gentle touch (allodynia), needle-like tingling of the skin, muscle aches, prolonged muscle spasms, weakness in the limbs, nerve pain, functional bowel disturbances, and chronic sleep disturbances.