The Government of Canada’s terminology and linguistic data bank.

SFC/EM [1 record]

Record 1 2023-06-28


Subject field(s)
  • Human Diseases - Various
  • Nervous System

ME/CFS is characterised by a sudden or gradual onset of persistent disabling fatigue, post-exertional malaise (PEM)/exertional exhaustion, unrefreshing sleep, cognitive and autonomic dysfunction, myalgia, arthralgia, headaches, and sore throat and tender lymph nodes (without palpable lymphadenopathy), with symptoms lasting at least 6 months. The fatigue is not related to other medical or psychiatric conditions, and symptoms do not improve with sleep or rest.


myalgic encephalomyelitis/chronic fatigue syndrome; ME/CFS; myalgic encephalomyelitis; ME; chronic fatigue syndrome; CFS; systemic exertion intolerance disease; SEID: These designations are usually used interchangeably. However, some authors use these designations to refer to slightly different conditions.

Key term(s)
  • chronic fatigue syndrome/myalgic encephalomyelitis
  • CFS/ME


  • Maladies humaines diverses
  • Système nerveux

encéphalomyélite myalgique/syndrome de fatigue chronique; EM/SFC; encéphalomyélite myalgique; EM; syndrome de fatigue chronique; SFC; syndrome d'intolérance systémique à l'effort; SISE; maladie de l'intolérance systémique à l'effort; MISE : Ces désignations sont habituellement utilisées de manière interchangeable. Toutefois, certains auteurs les utilisent pour désigner des problèmes de santé légèrement différents.

Key term(s)
  • syndrome de fatigue chronique/encéphalomyélite myalgique
  • SFC/EM


Campo(s) temático(s)
  • Enfermedades humanas varias
  • Sistema nervioso
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