Which term best describes a key symptom for you?

  • Post-Exertional Malaise (PEM) (40%, 4 Votes)
  • Post-Exertional Neuroimmune Exhaustion (PENE) (40%, 4 Votes)
  • ill and weak (10%, 1 Votes)
  • exhaustion (10%, 1 Votes)
  • low / fluctuating energy (0%, 0 Votes)
  • fatigue (0%, 0 Votes)
  • other (0%, 0 Votes)

Total Voters: 10

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Post-Exertional Malaise (PEM) – inappropriate loss of physical and mental stamina, rapid muscular and cognitive fatigability, malaise and/or fatigue, and/or pain and a tendency for other symptoms to worsen, with a slow recovery period [Canadian guidelines]

Post- Exertional Neuroimmune Exhaustion (PENE) – pathological low threshold of physical and mental fatigability, exhaustion, pain, and an abnormal exacerbation of symptoms in response to exertion. It is followed by a prolonged recovery period. [International guidelines]

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