Anosmia is the loss of sense of smell, hyposmia is a reduced sense of smell, parosmia is an altered sense of smell, and phantosmia is when you smell things that aren't there. A change in sense of smell may occur alongside a change in sense of taste.
ME/CFS[edit | edit source]
Prevalence in ME/CFS[edit | edit source]
- 2001, In a very large Belgian study, 38.0% of patients meeting the Fukuda criteria for chronic fatigue syndrome and 42.4% of patients meeting the Holmes criteria, in a cohort of 2073 CFS patients, reported changes in taste, hearing or smell.
Causes[edit | edit source]
Common causes include
- hypertension (high blood pressure)
- poor nutrition
- nervous system diseases, e.g., Parkinson's disease, Alzheimer's disease, or multiple sclerosis
- colds, flu or flu-like illnesses, sinus problems and allergies
- an altered or loss of smell and taste may also be caused by COVID-19 illness or long COVID
Learn more[edit | edit source]
- Smell and taste disorders - Johns Hopkins University
See also[edit | edit source]
References[edit | edit source]
- "Smell and Taste Disorders". Johns Hopkins Medicine. Retrieved December 12, 2021.
- "Smell Disorders". NIDCD. Retrieved December 12, 2021.
- 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.