2024 Pt5 Nasal Congestion. Learn about the common causes of nasal congestion, such as infections, allergies, and pregnancy, and how to find relief. Find out about the evidence, benefits, and risks of intranasal glucocorticoids, saline irrigation, and other treatments.

Learn about the common causes of nasal congestion, such as colds, allergies, sinus infections, and medications. Compare different types, ingredients, and brands of sprays, pills, swabs, and.