Early research suggests that azelastine, a common over-the-counter nasal spray that treats seasonal allergies, may offer a ...

The over-the-counter antihistamine azelastine works against a range of respiratory infections, including the flu and RSV, ...

A phase 2 study shows that azelastine nasal spray lowered coronavirus infection rates to 2.2% compared to 6.7%, researchers ...

Together, these results suggest that azelastine may provide meaningful protection against SARS-CoV-2 infection,” the study ...