A flare-up or flare or symptoms flare in myalgic encephalomyelitis/chronic fatigue syndrome is a temporary increase in symptoms, alternatively known as experiencing post-exertional malaise. Some people use "crash" or "collapse" to refer to a flare.
NHS definition[edit | edit source]
International Consensus Criteria[edit | edit source]
Symptoms flare is not a term defined in the ICC.
Impact[edit | edit source]
Notable studies[edit | edit source]
See also[edit | edit source]
- Post-exertional malaise
- ME/CFS terminology (category)
- Myalgic encephalomyelitis
- Chronic fatigue syndrome
- List of abnormal findings in chronic fatigue syndrome and myalgic encephalomyelitis
Learn more[edit | edit source]
References[edit | edit source]
- NICE Guideline Development Group (October 29, 2021). "Myalgic Encephalomyelitis (or Encephalopathy)/Chronic Fatigue Syndrome:diagnosis and management. NICE guideline". National Institute for Health and Care Excellence.
- Carruthers, BM; van de Sande, MI; De Meirleir, KL; Klimas, NG; Broderick, G; Mitchell, T; Staines, D; Powles, ACP; Speight, N; Vallings, R; Bateman, L; Bell, DS; Carlo-Stella, N; Chia, J; Darragh, A; Gerken, A; Jo, D; Lewis, DP; Light, AR; Light, KC; Marshall-Gradisnik, S; McLaren-Howard, J; Mena, I; Miwa, K; Murovska, M; Stevens, SR (2012), Myalgic encephalomyelitis: Adult & Paediatric: International Consensus Primer for Medical Practitioners (PDF), ISBN 978-0-9739335-3-6
- "Symptoms | Myalgic Encephalomyelitis/Chronic Fatigue Syndrome". Centers for Disease Control and Prevention. January 27, 2021. Retrieved February 25, 2021.
post-exertional malaise (PEM) - A notable exacerbation of symptoms brought on by small physical or cognitive exertions. PEM may be referred to as a "crash" or "collapse" and can last for days or weeks. Symptoms can include cognitive impairments, muscle pain, trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, and others.