Fibromyalgia - Risk Factors

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Restless Legs Syndrome (RLS). About 15% of people with fibromyalgia have restless legs syndrome. RLS is an unsettling and poorly understood movement disorder sometimes described as a sense of unease and weariness in the lower leg that is aggravated by rest and relieved by movement.

Disorders Affected by the Sympathetic (also called Autonomic) Nervous System. Other conditions that commonly accompany fibromyalgia include chest pain and heart palpitations, mitral valve prolapse, and a sudden drop in blood pressure.

Review Date: 12/15/2006
Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital