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Anosmia, also known as smell blindness, is the loss of the ability to detect one or more smells. [1] [2] Anosmia may be temporary or permanent. [3]It differs from hyposmia, which is a decreased sensitivity to some or all smells.
Loss of the sense of smell is called anosmia and can be either unilateral or bilateral. Bilateral loss can occur with rhinitis, smoking, or aging. Unilateral loss indicates a possible nerve lesion or deviated septum. This test is usually skipped on a cranial nerve exam. [1] The short axons of the first cranial nerve regenerate on a regular basis.
Hyposmia, or microsmia, [1] is a reduced ability to smell and to detect odors.A related condition is anosmia, in which no odors can be detected.Some of the causes of olfaction problems are allergies, nasal polyps, viral infections and head trauma.
Dysgeusia, also known as parageusia, is a distortion of the sense of taste. Dysgeusia is also often associated with ageusia, which is the complete lack of taste, and hypogeusia, which is a decrease in taste sensitivity. [1] An alteration in taste or smell may be a secondary process in various disease states, or it may be the primary symptom.
Instead, the diagnosis is made through a combination of clinical evaluations, smell tests, imaging studies, and the exclusion of other potential causes of smell loss. [ 1 ] [ 12 ] This comprehensive approach ensures that other conditions that might interfere with the sense of smell are ruled out before confirming a diagnosis of congenital anosmia.
Losing or not having your sense of smell may be linked to changes in breathing that could lead to depression, social isolation or other mental health problems, a new study suggests.
The 25-year-old pharmacy worker was happy to be prodded and poked at the hospital in Nice, in southern France, to advance her increasingly pressing quest to recover her sense of smell.
Some people lose the sense of smell and taste after COVID-19, making eating and drinking an unpleasant chore. Try some of these choices to make mealtime more pleasant.