Bronchiolitis

Bronchiolitis is swelling and mucus buildup in the smallest air passages in the lungs (bronchioles). It is usually due to a viral infection.

Bronchiolitis

Bronchiolitis is an inflammation of the bronchioles (smaller airways that branch off the main airway) usually caused by a viral infection.

Normal lungs and alveoli

The lungs are located in the chest cavity and are responsible for respiration. The alveoli are small sir sacs where oxygen is exchanged in the lungs.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

When to Contact a Medical Professional

Prevention