Daily squirts of a safe, over-the-counter allergy nasal spray may prevent COVID-19 infections from taking hold, according to ...

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

A recent clinical trial has found that a commonly used nasal spray for allergies may also help lower the risk of COVID-19 ...

The active ingredient in a common over-the-counter allergy spray may do more than ease hay fever symptoms. A new clinical ...

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

A groundbreaking new study found that a widely available over-the-counter nasal spray may help healthy adults fend off ...

A commonly used over-the-counter nasal spray for seasonal allergies may help prevent COVID-19, according to a new study.