What is bronchiolitis ?

Bronchiolitis is a viral infection of the lungs that causes a narrowing of the airways of the lungs (bronchioles), making breathing difficult. It occurs most often in children under age 2 during winter and early spring. The most common causes of bronchiolitis are the influenza (flu) virus and Respiratory Syncytial Virus (RSV).

What are the signs of bronchiolitis?

  • Runny nose
  • Slight fever (under 101° F)
  • Cough
  • Wheezing
  • Rapid breathing
  • Shallow breathing
  • Loss of appetite