Olfactory disturbance

(Olfactory dysfunction, Smell disorder, Smell impairment, Olfactory impairment, Smell dysfunction, Smell abnormality, Olfactory abnormality, Smell disturbance, Olfactory disruption, Olfactory disorder)

Olfactory disturbance is a symptom that affects the sense of smell. It can manifest as an inability to smell certain odors, a reduced ability to smell, or an altered perception of smells. It can develop suddenly or gradually, and can be caused by a variety of conditions, such as allergies, sinus infections, head trauma, and neurological disorders.

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20 diseases may cause the symptom olfactory disturbance
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Age: 1 to 100
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Equally Common in Men and Women