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

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

If you don't use nasal spray correctly, it may not be as effective. Follow these steps to properly use your nasal spray.

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

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

Nasal cytology involves examining a sample of cells or mucus from your nasal passages. This test helps doctors diagnose and monitor conditions like allergies, rhinitis, and infectious diseases. Nasal ...

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