Azelastine, a common nasal spray for allergies, reduced the risk of COVID-19 and colds in one small trial. Larger studies are ...

Five years after the COVID-19 pandemic, you're likely a pro at the basics—masks when needed, immune support and staying ...

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

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a common nasal spray could help prevent infection. This randomized ...

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

Using a nasal antihistamine that contains azelastine three times a day for eight weeks was found to reduce the instances of COVID-19 infection by 69%. Incidentally, the study found people who used the ...

A common over-the-counter nasal spray, long used to treat seasonal allergies, might also help prevent Covid infections. This ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.