What are other names for Chronic fatigue syndrome?

Chronic fatigue syndrome (CFS) is a complex disorder characterized by extreme fatigue that does not improve with rest and cannot be explained by any underlying medical condition. Throughout medical history, CFS has been referred to by many names, each reflecting the evolving understanding and perspectives on this condition. Here are some other names that have been used for CFS:

1. Myalgic Encephalomyelitis (ME): This term, often combined with CFS, reflects the view that ME is an inflammatory disease that affects the central nervous system and muscles. "Encephalomyelitis" refers to inflammation of the brain and spinal cord. ME/CFS is commonly used today, especially in countries like the UK.

2. Post-Viral Fatigue Syndrome (PVFS): This name is based on the observation that many individuals develop CFS-like symptoms after a viral infection, suggesting a possible viral trigger or association. However, not all cases of CFS are preceded by a viral illness, so this name is not universally applicable.

3. Yuppie Flu: In the 1980s, CFS was sometimes colloquially referred to as the "Yuppie Flu." This term was used in a derogatory way, implying that CFS was a psychological disorder affecting white-collar workers, particularly those considered "yuppies" (young urban professionals). It emphasized the stigma and misunderstanding surrounding the condition.

4. Chronic Fatigue and Immune Dysfunction Syndrome (CFIDS): This name was commonly used in the past, reflecting the recognition that CFS might involve abnormalities in the immune system. However, the exact nature of immune system involvement in CFS remains uncertain, and this term is not widely used anymore.

5. Systemic Exertion Intolerance Disease (SEID): Some researchers and clinicians have proposed the term SEID as an alternative to CFS, emphasizing the prominent symptom of profound fatigue after minimal exertion or physical activity.

These different names reflect the ongoing evolution of knowledge about CFS and the various theories surrounding its underlying mechanisms. The current consensus favors using the term "chronic fatigue syndrome" as it encompasses a broad range of symptoms and does not imply a specific cause or mechanism.