Respiratory Problems,Age 12 and Older - Topic Overview
Bacterial infections may develop
after a viral illness, such as a cold or influenza, and are less common than
viral illnesses. Bacterial infections may affect the upper or lower respiratory
system. Symptoms tend to localize to one area. In the upper respiratory system,
the most common sites of bacterial infections are the sinuses and throat. In
the lower respiratory system, the most common site is the lungs (pneumonia).
Bacterial infections are more
common in smokers, people exposed to secondhand smoke, and people with chronic
lung disease (such as
asthma or chronic obstructive pulmonary disease [COPD]) and other chronic medical problems. Antibiotics
can effectively treat most bacterial infections.
hay fever, are another common respiratory problem. Symptoms include
sneezing, clear runny drainage from the nose and eyes, itchy eyes or nose, and
stuffy, congested ears and sinuses. The symptoms of allergies often last longer
than a typical viral respiratory infection. For more information, see the topic
Asthma is a
chronic disease of the respiratory system. It causes
inflammation and narrowing in the tubes that carry air
to the lungs (bronchial tubes). The inflammation leads to difficulty breathing,
wheezing, tightness in the chest, and cough.
Asthma often begins during childhood and may last throughout a person's
life. The cause of asthma is not clearly known. It is more common in people who
also have allergies. For more information, see the topic
Asthma in Children or
Asthma in Teens and Adults.
Use the Check Your Symptoms section to decide if and when
you should see a doctor.