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 ...

For years, scientists have known that people who use neti pots can become infected with a brain-eating amoeba if they use the wrong kind of water. On Wednesday, researchers linked a second kind of ...

A research team at Saarland University has demonstrated in a clinical study that a widely used anti-allergy nasal spray containing the active ingredient azelastine can significantly reduce the risk of ...

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 ...

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 ...

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 ...

The U.S. Food and Drug Administration has approved ARS Pharmaceuticals' nasal spray as the first needle-free emergency treatment for potentially fatal allergic reactions. REUTERS The U.S. Food and ...

The Food and Drug Administration approved a nasal spray intended to treat severe allergic reactions on Friday, expanding options beyond needle-based treatments like the EpiPen. The nasal spray, called ...

A new study suggests a nasal spray developed to target neuroinflammation could one day be an effective treatment for traumatic brain injury (TBI). By studying the effects of the nasal anti-CD3 in a ...

A multi-institutional team of neuroscientists has developed a nasal therapy that cleared the brains of Alzheimer's mouse models of toxic tau proteins. In their study, published in the journal Science ...