Bronchiolitis is an inflammation of the small air passages
(bronchioles), usually caused by a virus (respiratory syncytial virus, or RSV,
is one such virus).
Bronchiolitis usually affects children under the age of 2
years. It is the leading cause of serious lower respiratory illness in
Symptoms of bronchiolitis include labored, rapid breathing with
wheezing and a cough that sounds "tight." If the infection becomes severe, the
infant's breathing rate may increase noticeably.
If severe difficulty breathing
occurs, immediate medical attention is needed.
June 25, 2012
Susan C. Kim, MD - Pediatrics & John Pope, MD - Pediatrics
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