Scientists believe that medication given through the nose has the potential to be more effective because it attacks or blocks ...

Researchers say people using a common allergy nasal spray, azelastine, were 69% less likely to contract COVID-19.

Those are some pretty impressive findings, and it’s not the only data to suggest that azelastine may help lower your risk of ...

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

Q. Astepro has been a great help for my seasonal allergies. I’ll now use it as a preventative against flu or COVID-19. The downside for many people is the price and the taste. Here’s a solution.

Daily squirts of a safe, over-the-counter allergy nasal spray may prevent COVID-19 infections from taking hold, according to results published Tuesday in JAMA Internal Medicine. In a mid-staged trial, ...

An over-the-counter nasal spray which has been used for years as a safe and effective treatment for seasonal allergies could potentially prevent Covid infections, according to clinical trial results ...

Sept. 4, 2025 – A common over-the-counter nasal spray grabbed headlines and social media buzz this week as a simple, surprising way to reduce your chances of getting COVID-19. But is the hype getting ...

Researchers evaluated whether interferon-α nasal spray reduces the incidence of COVID-19 or other respiratory viral infections among adults with cancer.

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 ...

SYDNEY (Reuters) - Australian biotech company Ena Respiratory said on Monday that a nasal spray it is developing to improve the human immune system to fight common cold and flu significantly reduced ...