The over-the-counter antihistamine azelastine works against a range of respiratory infections, including the flu and RSV, ...

A phase 2 study shows that azelastine nasal spray lowered coronavirus infection rates to 2.2% compared to 6.7%, researchers ...

A groundbreaking new study found that a widely available over-the-counter nasal spray may help healthy adults fend off ...

Coronavirus testing will be an important tool for lifting restrictions. Here's a look at the COVID-19 tests available now or in the works.

Lastly, keep in mind that while throat testing has always been an option for COVID-19, the rapid tests have been specifically designed and authorized as nasal swab devices.

A recent clinical trial has found that a commonly used nasal spray for allergies may also help lower the risk of COVID-19 ...

News Taking an at-home COVID test? Here’s how to swab your nose Tips for how to properly collect your sample depend on the type of nasal swab the kit requires.

How do you know when you should get tested for the coronavirus? The time it takes to get test results back depends on where you go and which test is administered. Here's what we know about COVID ...

Woman using digital tablet for video call with her family doctor for advice how to do coronavirus rapid diagnostic test. Young woman at home using a nasal swab for COVID-19.

Daily squirts of a safe, over-the-counter allergy nasal spray may prevent COVID-19 infections from taking hold, according to ...