Table 1.

Yunus and Masi [5] diagnostic criteria for juvenile primary fibromyalgia syndrome

Major Criteria

1. Generalized musculoskeletal pain at three or more sites for three or more months  2. No underlying medical condition  3. Normal laboratory tests  4. Five or more typical tender points

Minor Criteria

Presence of three of the following features:  1. Chronic anxiety or tension  2. Fatigue  3. Poor sleep  4. Chronic headache  5. Irritable bowel syndrome  6. Subjective soft tissue swelling  7. Numbness  8. Pain modulation by physical activities  9. Pain modulation by weather factors  10. Pain modulation by anxiety or stress