Our expert says:
Loss of smell (anosmia) or decreased smell (hyposmia) can be due to the following reasons:
1. A conductive loss: This is due to some form of nasal obstruction - some anatomical abnormality, polyps, growths, inflammation of the nasal cavity that prevents the air particles reaching the necessary olfactory nerve endings.
2. Something affecting the olfactory nerve itself: This could be due to severe head trauma / accident / severe nasal infection or meningitis / growths on the nerve itself
Depending on your age, one should investigate to a certain extent. You should have at least an examination of your nasal cavity by an ENT surgeon (nasal endoscopy). The ENT can then decide if you need further imaging studies (a CT or MRI scan to assess the olfactory nerve).
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
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