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Olfactory disorders became known by large parts of the population since the Covid-19 pandemic. The causes of olfactory dysfunctions are manifold. Similar to other sensory impairments the disruption can be qualitative or quantitative. Quantitative olfactory disorders such as anosmia or hyposmia are well explored, whereas the knowledge on qualitative disorders such as parosmia or phantosmia is still limited. This article gives an update on the current clinical knowledge and workup of parosmia and phantosmia., Competing Interests: Les auteurs n’ont déclaré aucun conflit d’intérêts en relation avec cet article.