Nasal congestion occurs when the tissues lining your nose swell up. This can happen for many reasons, including the common ...

The inflammation and swelling in your nasal passages can affect the nerves that ... or coughing that tends to worsen at night ...

"This leaves the nasal passages swollen and inflamed and they are more likely to get a bacterial or viral infection." Flushing the nose with salt water helps by maintaining moisture so the sinuses can ...