A 21-year-old member asked:
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what is more serious of a disease, lower respiratory tract infections or upper respiratory tract infections?

2 doctor answers
Dr. Michio Abe
25 years experience Internal Medicine
Lower respiratory: Upper respiratory infections involve upper airways such as throat, nasal cavity, paranasal sinuses, eustachian tubes, trachea as, nd bronchi. When the disease process in the bronchi, or bronchitis, continues, it could begin to involve lower airways in the lung tissues, which is then more advanced lower respiratory infections or pneumonia.
Answered on May 21, 2019
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Dr. Michael Ein
47 years experience Infectious Disease
Lower: Upper respiratory tract infections are colds, rhinitis, pharyngitis, sinusitis and are usually caused by viruses although can also be caused by various bacteria. Lower respiratory infections are bronchitis and pneumonia also caused by viruses but more than uri's are caused by bacteria and can be more severe and even life threatening.
Answered on May 21, 2019
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