[Drug therapy for disturbances of smelling].

Disorders of the sense of smell are frequent. This severely can affect the quality of live. Appropriate testing is needed to determine the nature of the patient's complaints. Following the pathogenesis, two main groups of smell disorders are discernable: The conductive-respiratory smell disorders, where the odour can not reach the receptor and the senso-neuronal disorders where perception or transduction is affected. Therefore two different therapeutical approaches are described.