Almost all participants had been vaccinated against COVID-19. They were randomly assigned to receive either azelastine (0.1%) nasal spray or placebo. They used the spray three times a day for 56 days.

An over-the-counter nasal spray shows promise for preventing COVID-19, a new study found. The new study, published Tuesday in JAMA Internal Medicine, offered further evidence that azelastine may be a ...

SAN FRANCISCO -- A new type of COVID-19 therapy is showing promise as a new tool to hijack the virus and slow down variants. It's a new weapon that could be added to the arsenal against COVID-19.

Share on Pinterest A new trial shows that a common nasal spray may help lower the risk of contracting COVID-19 and other respiratory illnesses. Professional Studio Images/Getty Images Researchers say ...

BALTIMORE — With only a snort a week, a new drug might keep patients safe from several viruses — and the University of ...

BETHESDA, Md. - The director for the National Institutes of Health announced this week the progress of a nasal spray being developed to treat COVID-19. "I’m pleased to share progress in the ...

A trial found the allergy spray azelastine lowered COVID-19 infection risk. Users tested positive less often and later than those on placebo. Experts say larger studies are needed to confirm the ...

Severity of a COVID-19 illness could be determined by examining autoantibodies in the nasal cavity, allowing more personalized treatment protocols. Severe COVID-19 can be life-threatening for patients ...

A new study has found that certain bacteria living in the nose may influence how likely someone is to get a COVID-19 infection. The research reveals that certain types of nasal bacteria can affect the ...