Fibromyalgia: is it a neuropathic pain?

Area of Science:

• Neurology
• Pain Medicine
• Immunology

Background:

• Fibromyalgia is a chronic pain syndrome with poorly understood causes.
• Current understanding suggests central nervous system (CNS) dysfunction, but lacks definitive structural evidence.
• Fibromyalgia has been excluded from neuropathic pain diagnoses since 2011.

Purpose of the Study:

• To explore emerging evidence linking fibromyalgia pathophysiology to small fiber neuropathy.
• To assess the potential impact of new findings on current diagnostic and management paradigms for fibromyalgia.

Main Methods:

• Review of recent scientific literature and studies.
• Analysis of diagnostic criteria evolution for neuropathic pain and fibromyalgia.
• Examination of emerging pathophysiological evidence, including small fiber neuropathy.

Main Results:

• Recent studies indicate small fiber neuropathy in fibromyalgia patients.
• This evidence challenges the established exclusion of fibromyalgia from neuropathic pain categories.
• The findings suggest a potential shift in understanding fibromyalgia's underlying mechanisms.

Conclusions:

• Emerging evidence of small fiber neuropathy may necessitate a re-evaluation of fibromyalgia's pathophysiology.
• This could lead to revised diagnostic approaches and therapeutic strategies for fibromyalgia.
• Further research is crucial to confirm these findings and their clinical implications.