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Dysgeusia or parageusia is an altered sense of taste, which may involve a persistent unpleasant taste, ageusia is a total loss of sense of taste, and hypogeusia is a reduced ability to taste sweet, sour, bitter, salty or umami (delicious/savoury) tastes.[1][2]

A change in sense of smell may occur alongside a change in sense of taste.[1][3]

Prevalence in ME/CFS[edit | edit source]

Symptom recognition[edit | edit source]

An altered sense of taste is a potential symptom of Long COVID in the World Health Organization's definition.[5]

Notable studies[edit | edit source]

Possible causes[edit | edit source]

Common causes of altered sense of taste and/or smell include:

Learn more[edit | edit source]

See also[edit | edit source]

References[edit | edit source]

  1. "Smell and Taste Disorders". Johns Hopkins Medicine. Retrieved December 14, 2021.
  2. Doty, R.L. (January 1, 2014). Aminoff, Michael J.; Daroff, Robert B. (eds.). Ageusia. Oxford: Academic Press. pp. 69–71. ISBN 978-0-12-385158-1.
  3. 3.03.1 Hellier, Jennifer L. (November 7, 2016). The Five Senses and Beyond: The Encyclopedia of Perception: The Encyclopedia of Perception. ABC-CLIO. ISBN 978-1-4408-3417-2.
  4. De Becker, Pascale; McGregor, Neil; De Meirleir, Kenny (December 2001). "A definition‐based analysis of symptoms in a large cohort of patients with chronic fatigue syndrome". Journal of Internal Medicine. 250 (3): 234–240. doi:10.1046/j.1365-2796.2001.00890.x.
  5. Soriano, Joan B.; Allan, Maya; Alsokhn, Carine; Alwan, Nisreen A.; Askie, Lisa; Davis, Hannah E.; Diaz, Janet V.; Dua, Tarun; de Groote, Wouter; Jakob, Robert; Lado, Marta; Marshall, John; Murthy, Srin; Preller, Jacobus; Relan, Pryanka; Schiess, Nicoline; Seahwag, Archana (October 6, 2021), A clinical case definition of post COVID-19 condition by a Delphi consensus, World Health Organization (WHO) clinical case definition working group on post COVID-19 condition, World Health Organization
  6. Mehraeen, Esmaeil; Behnezhad, Farzane; Salehi, Mohammad Amin; Noori, Tayebeh; Harandi, Hamid; SeyedAlinaghi, SeyedAhmad (June 17, 2020). "Olfactory and gustatory dysfunctions due to the coronavirus disease (COVID-19): a review of current evidence". European Archives of Oto-Rhino-Laryngology: 1–6. doi:10.1007/s00405-020-06120-6. ISSN 0937-4477. PMC 7297932. PMID 32556781.

World Health Organization (WHO) - "A specialized agency of the United Nations that is concerned with public health. It was established on 7 April 1948, and is headquartered in Geneva, Switzerland. The WHO is a member of the United Nations Development Group. Its predecessor, the Health Organization, was an agency of the League of Nations." The International Statistical Classification of Diseases and Related Health Problems (ICD) is maintained by WHO.

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.