Development of new sensitivities

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The development of new sensitivities which were not present before the illness or have worsened since is a common occurrence in ME/CFS.[1][2] Early studies of Long COVID found that some patients developed new allergies including anaphylaxis, and worsening of existing allergies was also found.[3]

Symptom recognition[edit | edit source]

Types of sensitivities[edit | edit source]

Prevalence[edit | edit source]

  • In a 2001 Belgian study, 48.5% of patients meeting the Fukuda criteria and 54.8% of patients meeting the Holmes criteria, in a cohort of 2073 CFS patients, reported new sensitivities to food or drugs.[4]

See also[edit | edit source]

References[edit | edit source]

anaphylaxis "an often severe and sometimes fatal systemic reaction in a susceptible individual upon exposure to a specific antigen (such as wasp venom or penicillin) after previous sensitization". Typically causes breathing problems, fainting or loss of consciousness, fast heartbeat, itching, and hives. (Learn more: www.nhs.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.