(HealthDay News) -- Nasal congestion, commonly called a stuffy nose, occurs when the tissues that line the inside of the nose become swollen. The U.S. National Library of Medicine says common causes of nasal congestion include: Having the common cold or flu. Having a sinus infection. Having allergies. Using nasal sprays or drops for longer than three days. Having nasal polyps. Being pregnant. Having a condition called vasomotor rhinitis.
(HealthDay News) -- Nasal congestion, commonly called a stuffy nose, occurs when the tissues that line the inside of the nose become swollen. The U.S. National Library of Medicine says common causes of nasal congestion include: Having the common cold or flu. Having a sinus infection. Having allergies. Using nasal sprays or drops for longer than three days. Having nasal polyps. Being pregnant. Having a condition called vasomotor rhinitis.