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Croup is a viral infection in the upper airway, around the vocal cords and windpipe. Swelling in this area causes a barking cough. Croup, most often seen in the fall, can affect kids up to age 5.
Frequent hand washing and avoiding contact with people who have respiratory infections are the best protection against the spread of viruses that cause croup.
Reviewed by: Steven Dowshen, MD
Date reviewed: April 2014
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.