Bronchiolitis is inflammation of the bronchioles, the smallest air passages of the lungs. It usually occurs in children less than two years of age and presents with coughing, wheezing, and shortness of breath. This inflammation is usually caused by respiratory syncytial virus. Treatment is typically supportive and may involve the use of nebulized epinephrine or hypertonic saline.
Read more about Bronchiolitis: Signs and Symptoms, Causes, Diagnosis, Prevention, Management, Epidemiology