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[Diagnosis and pharmacological and nonpharmacological treatment of fibromyalgia. Compendium of the best evidence].

Chronic generalized musculoskeletal pain is one of the most common reasons for consultation in daily medical practice, and it poses a diagnostic and therapeutic challenge. Fibromyalgia is one of the so-called central sensitization syndromes, mainly characterized by generalized pain in the musculoskeletal system. Fibromyalgia diagnosis is basically clinical, and it should be considered whenever patients complain of generalized pain. Patients with chronic inflammatory diseases may also suffer from fibromyalgia, and this condition may be the reason for the pain they complain of in medical consultations. The aim of this review paper has been to provide our readers with a summary of the best available evidence about this disease based upon an updated review of scientific literature on fibromyalgia aspects, such as its diagnostic criteria, pathophysiology, clinical profile and differential diagnosis, followed by an ample systematic review of its pharmacological and non-pharmacological aspects. This systematic review analyses the multidisciplinary aspects in which sufficient evidence was found in the two strongest types of clinical research design, 1) controlled clinical trials and 2) systematic reviews or meta-analysis. This review was developed by a group of Latin American specialists from several countries, recognized as a group of experts in fibromyalgia study.