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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 .
Upper respiratory tract infections (URTIs) often precede acute bronchitis, with overlapping symptoms including headache, nasal congestion, and sore throat. About a third of patients will experience a fever, but fevers due to acute bronchitis rarely rise above 100 °F (37.8 °C) or last longer than a few days. [14]
[1] [6] Symptoms usually last 3–5 days, but can be longer depending on cause. [2] [3] Complications can include sinusitis and acute otitis media. [2] Pharyngitis is a type of upper respiratory tract infection. [7] Most cases are caused by a viral infection. [2] Strep throat, a bacterial infection, is the cause in about 25% of children and 10% ...
For some, COVID-19 symptoms may persist weeks to months after the initial infection. In 2022, 6.9% of US adults reported to have experienced long COVID, according to a CDC survey .
The common cold is an infection of the upper respiratory tract which can be caused by many different viruses. The most commonly implicated is a rhinovirus (30–80%), a type of picornavirus with 99 known serotypes. [33]
This medicine does not effectively treat a viral infection like sore throats, influenza, bronchitis, sinusitis and common respiratory tract infections. [ 15 ] [ 16 ] This is because antibiotics were developed to target features of bacteria that are not present in viruses, and so antibiotics are ineffective as antiviral agents .
Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
A postinfectious cough is a lingering cough that follows a respiratory tract infection, ... This page was last edited on 19 February 2024, at 04:30 (UTC).