Clinical effects of intranasal corticosteroids on nasal symptoms in subjects with chronic rhinitis during COVID-19.

The clinical effects of intranasal corticosteroids (INC) on nasal symptoms and the clinical course of coronavirus disease 2019 (COVID-19) in subjects with chronic rhinitis (CR) seem unclear. To evaluate the clinical effects of INCs on nasal symptoms in subjects with CR and with COVID-19. In subjects with CR and diagnosed with COVID-19 at four tertiary centers, quality of life and nasal symptoms were assessed by using the 22-item Sino-Nasal Outcome Test (SNOT-22) and the visual analog scale (VAS), respectively.