Medically reviewed by John Carew, MD Key Takeaways A blocked nostril could be due to allergies, nasal polyps, a deviated septum, or other causes.Use saline rinses and stay hydrated to help clear a ...

Nasal polyps are noncancerous growths that can form in the nasal cavity. Although benign, they can have a significant impact on a person’s quality of life. Nasal polyps often occur along with ...

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 ...