They may block the sinuses and cause problems, such as regular infections. The exact causes of nasal polyps are unclear. A 2023 article notes that they most commonly develop in those with chronic ...

The conditions outlined below are recognized as causes, risk factors, and complications associated with nasal polyps.

Chronic rhinosinusitis (CRS) including nasal polyps is a chronic inflammatory disease involving the mucosa of the nose and one or more paranasal sinuses. Despite differing hypotheses, the cause ...

This kind of nasal congestion and sinus pressure have many causes: colds, the flu, sinus infections, and allergies, to name a few. Whatever your triggers are, the symptoms can get to you.

For example, mucus, polyps, and other growths can block the ... and a feeling of “fullness” in the nostrils. Potential causes of nasal obstruction include: In many cases, breathing out of ...

Other causes of sinus infections — like allergies or nasal polyps that obstruct drainage pathways — are also not contagious. The duration of your symptoms will often determine the cause of the ...