Bacterial or viral infections of the respiratory tract
Viral illnesses are the most common cause of upper
respiratory symptoms. Symptoms of a viral illness often appear over several
hours without prior illness. Common viral illnesses include colds and the flu
Bacterial respiratory tract infections are less
common than viral infections. Bacterial infections may develop after a viral
illness such as a cold or the flu. Bacterial infections may affect the upper or
lower respiratory system, and symptoms tend to localize to one area.
Recommended Related to Lung Disease/Respiratory Problems
Mesothelioma is cancer of the mesothelium, a protective membrane that lines many of the body's internal organs. Most often, mesothelioma occurs in the lining of the lungs, called the pleura.
Mesothelioma is most often diagnosed after a patient sees a doctor because of symptoms such as pain in the lower back, shortness of breath, fatigue, weight loss, abdominal pain and/or swelling. But symptoms alone will not tell your doctor if you have mesothelioma. A medical history, physical exam, and diagnostic...