Bronchiolitis

Bronchiolitis is a lower respiratory infection caused by various viruses, including respiratory syncytial virus. This infection affects the small airways of the lungs, known as bronchioles, causing them to become inflamed and filled with fluid. Symptoms of bronchiolitis include a persistent cough, wheezing, difficulty breathing and an increased production of mucus. Babies, young children and people with weakened immune systems are most at risk. Because bronchiolitis is caused by a virus, treatment focuses on relieving symptoms and preventing complications. Treatment usually includes humidified oxygen, fluids, and close monitoring. In severe cases, hospitalization may be necessary. It is important to get prompt medical treatment if you or your child is suspected to have bronchiolitis.