1. Inflammation of the small airways (bronchioles) in the lungs, typically caused by viral infection and characterized by coughing, wheezing, and difficulty breathing.
Usage: Medical term; Most common in infants and young children; Often caused by respiratory syncytial virus (RSV)

Examples

• The infant was diagnosed with bronchiolitis after presenting with persistent cough and wheezing.
• Bronchiolitis is a common respiratory illness in children under two years of age.
• The doctor explained that bronchiolitis usually resolves on its own within a few weeks.
• Symptoms of bronchiolitis include difficulty breathing, rapid breathing, and fatigue.
• Most cases of bronchiolitis are caused by viral infections rather than bacterial infections.