The fibromyalgia syndrome.

The term fibromyalgia describes a complex syndrome characterized by pain amplification, musculoskeletal discomfort, and systemic symptoms. Although its existence has been controversial, nearly all rheumatologists now accept fibromyalgia as a distinct diagnostic entity. In fact, in the United States it is the third or fourth most common reason for rheumatology referral. Exciting new insights into the aetiology, pathogenesis, diagnosis and treatment of fibromyalgia will be reviewed.