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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.
An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI). Lower respiratory infections, such as pneumonia, tend to be far more severe than upper respiratory infections, such as the common cold.
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Generally, diseases outlined within the ICD-10 codes J00-J06 within Chapter X: Diseases of the respiratory system should be included in this category. Subcategories This category has only the following subcategory.
One of the most common causes is Staphylococcus aureus and often follows a recent viral upper respiratory infection. Bacterial tracheitis is a rare complication of influenza infection. [ 4 ] It is the most serious in young children, possibly because of the relatively small size of the trachea that gets easily blocked by swelling.
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Cytoplasmic inclusions are considerably more dense than those of other viruses in the family. Human metapneumovirus infection is very similar to the common cold; it is an upper respiratory infection. It will typically occur in the winter and early spring. This specific infection is most common in children, especially under the age of five.
Upper respiratory tract infection involves inflammation of the respiratory mucosa from the nose to the lower respiratory tree, not including the alveoli. In addition to malaise, it causes localized symptoms that constitute several overlapping syndromes: sore throat (pharyngitis), rhinorrhea (common cold), facial fullness and pain (sinusitis ...