Mechanisms of Capsaicin Treatment in Idiopathic Rhinitis Patients and Controls

Thirty-three\* well-characterized IR patients will be recruited and screened for participation in this study with nasal capsaicin spray (0,1 mmol/l ) using the treatment regimen described by van Rijswijk et al. (1 x 5 applications in one day, with 1 hour between each application)

diluent