A new type of drug-free nasal spray could be a great defense against Covid-19, the common cold, and other viruses and bacterial illnesses. The spray was designed by researchers at Harvard Medical ...

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, ...

Your medicine cabinet could be packing more than just cold and flu relief. A groundbreaking new study found that a widely available over-the-counter nasal spray may help healthy adults fend off ...

People with extreme, life-threatening allergic reactions might do as well to use a nasal spray as to jab themselves in a ...

We’re in the fourth holiday season in which COVID is a reality that we have to deal with—and while most protective measures have disappeared from public view, some people are trying new approaches to ...

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 ...