Verkkoa polyp, an object such as a small toy stuck in the nose, or a tumor might cause the nose to run from only one side. Verkkothe real challenge is to render an early diagnosis of pulmonary congestion before symptom deterioration in order to reduce the hospitalizations. Verkkonighttime congestion, including chest congestion or nasal congestion, can have several causes. Learn more about possible reasons for nightly. Verkkoif your nose is always stuffy, find out why you're suffering from chronic nasal congestion: Because you deserve to breathe easy again. Verkkonasal congestion typically clears after a few days, but congestion that lasts for a week or more may be a sign of an infection.