Post Exertional Malaise can arise from 2 documented medical conditions. Understanding the clinical context helps identify urgent causes early.
Chronic Fatigue Syndrome (ME/CFS)
Myalgic encephalomyelitis/chronic fatigue syndrome is a complex, debilitating condition causing profound fatigue not improved by rest, post-exertional malaise, cognitive difficulties, and sleep disturbances lasting over 6 months. No curative treatment exists; management focuses on symptom relief and pacing.
Long COVID (Post-COVID Syndrome)
Long COVID refers to persistent symptoms lasting more than 12 weeks after acute COVID-19 infection, including fatigue, brain fog, breathlessness, and chest pain. Post-exertional malaise and autonomic dysfunction are prominent features; management is multimodal and symptom-based.
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