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

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 ...

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