11. As bad as anosmia is, sometimes being able to smell can be even worse. 12. Many patients may experience unilateral anosmia , often as a result of minor head trauma. 13. The inability to smell is called anosmia . 14. Kallmann syndrome is also associated with a lack of sense of smell ( anosmia ). 15. It is sometimes confused with anosmia ( a loss of the sense of smell ). 16. This type of anosmia is normally only detected if both of the nostrils are tested separately. 17. A clinical study performed demonstrated that the use of this drug induced anosmia in some patients. 18. Those with anosmia cannot smell anything. 19. Anosmia caused by a nasal polyp may be treated by steroidal treatment or removal of the polyp.20. Anosmia is the permanent loss of the sense of smell, and is different from olfactory fatigue.