Resumen:
The purpose of this letter is to explain the causes behind a late diagnosis in fibromyalgia. These are briefly presented below. Fibromyalgia is a dynamic disease. Patients are classified under two phenotypes, one of them being more consistent with clinical criteria than the other. Also, fibromyalgia has two components: a central and peripheral one; but each can periodically dominate over the other. For an unexperienced physician or one who just considers pain as the cardinal and only symptom, reaching a diagnosis might be difficult and the process slows down. On the other hand, the health-disease morphophysiological paradigm, in which every pathology has to possess an evident structural correlation, is another factor that opposes fibromyalgia’s variety of clinical manifestations...