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Rhinorrhea caused by these infections usually occur on circadian rhythms. [12] Over the course of a viral infection, sinusitis (the inflammation of the nasal tissue) may occur, causing the mucous membranes to release more mucus. Acute sinusitis consists of the nasal passages swelling during a viral infection.
Rhinitis is commonly caused by a viral or bacterial infection, including the common cold, which is caused by Rhinoviruses, Coronaviruses, and influenza viruses, others caused by adenoviruses, human parainfluenza viruses, human respiratory syncytial virus, enteroviruses other than rhinoviruses, metapneumovirus, and measles virus, or bacterial ...
Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. [1] The fluid from the nose is usually clear. [ 2 ] Symptom onset is often within minutes following allergen exposure, and can affect sleep and the ability to work or study.
Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [ 1 ] [ 9 ] Typical symptoms range from those of a common cold , such as nasal congestion , rhinitis , and cough , to difficulty breathing as in pneumonia . [ 9 ]
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 .
Sinus infection, rhinosinusitis: An illustration showing the difference between healthy sinuses and diseased sinuses: Specialty: Otorhinolaryngology: Symptoms: nasal discharge, nasal blockage, facial pain, reduction or loss of smell, fever [1] [2] Causes: Infection (bacterial, fungal, viral), allergies, air pollution, structural problems in the ...
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Other causes can be allergy, cold, flu, and side effects from medications. However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [ 1 ]