Also, the reliance on RATs might have missed some asymptomatic COVID infections. And even using a placebo spray may have had some protective effects by rinsing and coating the nasal lining.

The FDA has not approved azelastine to prevent Covid-19 or any other infection. I certainly would not encourage people to use ...

The JAMA Internal Medicine journal published a new clinical study that suggests a common over-the-counter nasal spray, which contains azelastine, can offer significant protection from COVID-19. The ...

Azelastine nasal spray shows promise in preventing COVID-19 infections in a study. It may reduce the incidence of COVID and other respiratory infections.

A new study reveals that azelastine nasal spray, an over-the-counter allergy medication, significantly reduces the risk of COVID-19 infection by approximately 67%. Participants in the study who used ...