Unilateral anosmia, or one-sided loss of the sense of smell, is less common than the bilateral lesion and is less commonly detected by the routine enquiry in a neurological examination. However, once diagnosed there are relatively few causes which ought to be investigated.
Possible unilateral causes of anosmia include:
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page