Parosmia

Parosmia is an altered sense of smell.

Prevalence
An altered sense of smell occurs in approximately 15% of the US population.

Symptom recognition
The World Health Organization's definition of Post COVID-19 condition (Long COVID) includes an altered sense of smell in the list of possible symptoms.

Possible causes

 * a cold or flu
 * sinus infection
 * an allergy, e.g. hayfever
 * nasal polyops (growths in your nose)
 * COVID-19 may cause a loss of sense of smell (anosmia)
 * Long COVID

Learn more



 * Smell Disorders - NIDCD