Relapse

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A relapse in myalgic encephalomyelitis/chronic fatigue syndrome is .[1][2]

NHS definition[edit | edit source]

Relapse

A sustained and marked exacerbation of symptoms lasting longer than a flare-up and needing a substantial and sustained adjustment to the person's energy management. It may not be clear in the early stages of a symptom exacerbation whether it is a flare‑up or a relapse. Relapses can lead to a long-term reduction in the person's energy limits.[1]

ME/CFS:diagnosis and management. NICE guideline (2021).

The UK's National Health Service definition of a relapse can be found within the 2021 NICE guidelines.[1]

International Consensus Criteria[edit | edit source]

The International Consensus Criteria does not define what a relapse is, but states that relapses can last for days, weeks or longer.[2]

Impact[edit | edit source]

Notable studies[edit | edit source]

See also[edit | edit source]

Learn more[edit | edit source]

References[edit | edit source]

flare-up A symptoms flare in ME/CFS is a temporary increase in symptoms, alternatively known as experiencing post-exertional malaise. May be referred to as a "crash" or "collapse".

NICE guidelines Clinical guidelines used in the UK.

NICE guidelines Clinical guidelines used in the UK.

The information provided at this site is not intended to diagnose or treat any illness.
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.