Health Tip: What's Behind Nasal Congestion

(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.

Date Published: 02/08/2010

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