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Bronchiolitis is an infection of the lower respiratory tract that usually affects infants. There is swelling in the smaller airways or bronchioles of the lung, which causes obstruction of air in the smaller airways.
Croup is most common in children younger than 3, with the peak age around 2. Croup occurs most often in winter.
Detailed information on pneumonia, including different types, diagnosis, and treatment.
Detailed information on the signs of respiratory distress in children.
The common cold is one of the most common illnesses, leading to more primary care provider visits and absences from school each year than any other illness.
When your child has a fever, the body resets its thermostat at a higher temperature. This helps the body fight off invading microorganisms.
Influenza is a highly contagious infection of the upper respiratory system. It's one of the most severe illnesses of the winter season, affecting up to 20 percent of Americans each year.
The most common cause of anemia is iron deficiency. Iron is needed to form hemoglobin and is mostly stored in the body in the hemoglobin.
IgE-mediated food allergies cause your child’s immune system to react abnormally when exposed to one or more specific foods such as milk, egg, soy, wheat, peanuts, tree nuts, fish and shellfish.
Asthma is a chronic lung disease. Learn about its symptoms and how it's diagnosed and treated at Children's Hospital of Philadelphia.