Anosmia is the temporary or permanent complete loss of ability to perceive odour. Temporary anosmia can be caused by infection or nasal blockage. Permanent anosmia may be due to damage…

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The inability or decreased ability to perceive an odour as continued exposure to that odour increases over time.  An odour may initially be strongly detectable but may diminishes completely in…

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Hyposmia is the temporary or permanent partial loss to perceive odour. This may be due to infections, flu or cold or head trauma. This may lead to a raised detection…

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