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    Respiratory Problems, Age 11 and Younger - Topic Overview

    Most babies and older children have several mild infections of the respiratory system camera.gif each year.

    The upper respiratory system includes the nose, mouth, sinuses, and throat. A child with an upper respiratory infection may feel uncomfortable and sound very congested. Other symptoms of an upper respiratory infection include:

    • A runny or stuffy nose. This may lead to blockage of the nasal passages, causing the child to breathe through his or her mouth.
    • Irritability, restlessness, poor appetite, and decreased activity level.
    • Coughing, especially when lying down.
    • Fever that occurs suddenly and may reach 105°F (41°C).

    The lower respiratory system includes the bronchial tubes and lungs. Respiratory problems are less common in the lower respiratory system than in the upper respiratory system.

    Symptoms of a lower respiratory (bronchial tubes and lungs) problem usually are more severe than symptoms of an upper respiratory (mouth, nose, sinuses, and throat) problem. A child with a lower respiratory problem is more likely to require a visit to a doctor than a child with an upper respiratory problem.

    Symptoms of lower respiratory system infections include:

    • Shallow coughing, which continues throughout the day and night.
    • Fever, which may be high with some lower respiratory system infections, such as pneumonia.
    • Irritability, restlessness, poor appetite, and decreased activity level.
    • Difficulty breathing. You may notice:
      • Rapid breathing.
      • Grunting, which is heard during the breathing out (exhaling) phase of breathing. Most babies grunt occasionally when they sleep. But grunting that occurs with rapid, shallow breathing may mean lower respiratory system infection.
      • Wheezing (which is a different sound than croup).
      • Flaring the nostrils and using the neck, chest, and abdominal muscles to breathe, causing a "sucking in" between or under the ribs (retractions).

    Respiratory problems may have many causes.

    Viral infections cause most upper respiratory infections. Sore throats, colds, croup, and influenza (flu) are common viral illnesses in babies and older children. These infections are usually mild and go away in 4 to 10 days, but they can sometimes be severe. For more information, see the topics Croup and Influenza (Seasonal Flu).

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