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An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3 ] [ 4 ] This commonly includes nasal obstruction, sore throat, tonsillitis , pharyngitis , laryngitis , sinusitis , otitis media , and the common cold .
The lower respiratory tract consists of the trachea (windpipe), bronchial tubes, bronchioles, and the lungs. [6] Lower respiratory tract infections (LRIs) are generally more severe than upper respiratory infections. LRIs are the leading cause of death among all infectious diseases. [7] The two most common LRIs are bronchitis and pneumonia. [8]
The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. [6] [8] Signs and symptoms may appear in as little as two days after exposure to the virus. [6] These may include coughing, sore throat, runny nose, sneezing, headache ...
When the weather starts to cool, a common question often arises: "Am I sick, or is it just allergies?" Here's what the experts say.
Upper-respiratory symptoms last more than a week or 10 days. How to lower your risk of getting sick in the first place. Viral illnesses happen. But doing your best to take the right precautions ...
Some different types of illnesses have overlapping symptoms, ... This is because anything that irritates the inside of the nose can cause a runny nose—including upper respiratory viral infections.
Respiratory diseases can be classified in many different ways, including by the organ or tissue involved, by the type and pattern of associated signs and symptoms, or by the cause of the disease. The study of respiratory disease is known as pulmonology .
RSV is respiratory syncytial (sin-SISH-uhl) virus, usually causes mild, cold-like symptoms, according to the federal Centers for Disease Control, and most people recover within a week or two.