CLINICIAN’S CORNERCLINICAL REVIEW Management of Fibromyalgia Syndrome

AT ANY ONE TIME, 10 % TO 12%of the general population re-port chronic generalizedmusculoskeletal pain that cannot be traced to a specific struc-tural or inflammatory cause.1 Such id-iopathic widespread pain most often will fit the classification criteria for fi-bromyalgia syndrome (FMS).2 The diagnosis of FMS is based on a history of widespread pain, defined as bilateral, upper and lower body, as well as spine, and the presence of excessive tenderness on applying pressure to 11 of 18 specificmuscle-tendon sites.3 The 1990 American College of Rheumatol-ogy classification criteria for the diag-nosis of fibromyalgia provide a sensi