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Chronic Fatigue

Meaning

Chronic Fatigue Syndrome (CFS), often designated as Myalgic Encephalomyelitis (ME/CFS), represents a complex, debilitating medical condition characterized by severe, persistent fatigue lasting six months or longer, which is not substantially alleviated by rest. This profound fatigue is typically worsened by physical or mental exertion, a phenomenon known as post-exertional malaise, and significantly impairs an individual’s daily activities. Accompanying symptoms frequently include cognitive dysfunction, unrefreshing sleep, orthostatic intolerance, and widespread pain.