Overholser, James C, Beale, Eleanor E · The Journal of nervous and mental disease · 2019 · DOI
Quick Summary
This article looks back at a condition called neurasthenia that doctors diagnosed frequently between 1869 and 1930, then largely abandoned. The authors found that many symptoms people with neurasthenia experienced—like exhaustion, mental fog, and physical weakness—are still seen today in conditions like chronic fatigue syndrome (ME/CFS) and fibromyalgia. By understanding neurasthenia's history, modern doctors may better recognize and treat these conditions and improve how they listen to their patients.
Why It Matters
Understanding neurasthenia's historical trajectory helps contextualize modern ME/CFS within broader patterns of how medicine recognizes and legitimizes conditions characterized by fatigue and functional impairment. This perspective may help reduce diagnostic skepticism and improve clinical validation for ME/CFS patients who face similar physician dismissal that neurasthenia patients once experienced.
Observed Findings
Neurasthenia symptoms from the 1869–1930 period included fatigue, cognitive dysfunction, and weakness similar to those described in modern ME/CFS and fibromyalgia.
Common proposed causes for neurasthenia included stress and the pace of modern living.
Neurasthenia was eventually abandoned as a diagnostic category despite persistent symptom patterns in the population.
Similarities exist in symptom presentation, disease course, and proposed stressors across neurasthenia, depression, CFS, and fibromyalgia.
Inferred Conclusions
Modern doctors can learn from neurasthenia's history about the pitfalls of dismissing conditions with prominent fatigue and functional impairment.
The symptom complexes of neurasthenia remain clinically relevant today, appearing under different diagnostic labels.
The patient-physician relationship and societal attitudes toward stress-related illness have historically influenced diagnostic acceptance and treatment.
Remaining Questions
What biological mechanisms, if any, are shared between historical neurasthenia and contemporary ME/CFS?
How much of the decline in neurasthenia diagnosis reflects genuine clinical re-classification versus changing medical attitudes?
What This Study Does Not Prove
This review does not establish whether neurasthenia and ME/CFS are the same condition or different manifestations of a common underlying mechanism. It does not provide empirical evidence of causation or direct biological links between historical and modern diagnoses, nor does it offer new clinical or laboratory findings to inform ME/CFS diagnosis and treatment.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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