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  2. Upper respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Upper_respiratory_tract...

    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 .

  3. Atypical pneumonia - Wikipedia

    en.wikipedia.org/wiki/Atypical_pneumonia

    Despite general symptoms and problems with the upper respiratory tract (such as high fever, headache, a dry irritating cough followed later by a productive cough with radiographs showing consolidation), there are in general few physical signs. The patient looks better than the symptoms suggest.

  4. Tracheitis - Wikipedia

    en.wikipedia.org/wiki/Tracheitis

    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.

  5. Respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract_infection

    Typical infections of the upper respiratory tract include tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, certain influenza types, and the common cold. [3] Symptoms of URIs can include cough , sore throat , runny nose , nasal congestion , headache , low-grade fever , facial pressure, and sneezing .

  6. Pneumonia - Wikipedia

    en.wikipedia.org/wiki/Pneumonia

    Pneumonia frequently starts as an upper respiratory tract infection that moves into the lower respiratory tract. [55] It is a type of pneumonitis (lung inflammation). [ 56 ] The normal flora of the upper airway give protection by competing with pathogens for nutrients.

  7. Common cold - Wikipedia

    en.wikipedia.org/wiki/Common_cold

    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 ]

  8. Pharyngitis - Wikipedia

    en.wikipedia.org/wiki/Pharyngitis

    Other symptoms may include a runny nose, cough, headache, difficulty swallowing, swollen lymph nodes, and a hoarse voice. [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]

  9. Respiratory disease - Wikipedia

    en.wikipedia.org/wiki/Respiratory_disease

    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 .