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Otorhinolaryngology. Rhinorrhea ( American English ), also spelled rhinorrhoea or rhinorrhœa ( British English ), or informally runny nose is the free discharge of a thin mucus fluid from the nose; [ 1] it is a common condition. It is a common symptom of allergies ( hay fever) or certain viral infections, such as the common cold or COVID-19.
Infectious disease, allergy and immunology. Rhinitis, also known as coryza, [ 3] is irritation and inflammation of the mucous membrane inside the nose. Common symptoms are a stuffy nose, runny nose, sneezing, and post-nasal drip. [ 4] The inflammation is caused by viruses, bacteria, irritants or allergens. The most common kind of rhinitis is ...
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. [ 5]: 28 ...
Post-nasal drip. Post-nasal drip ( PND ), also known as upper airway cough syndrome ( UACS ), occurs when excessive mucus is produced by the nasal mucosa. The excess mucus accumulates in the back of the nose, and eventually in the throat once it drips down the back of the throat. It can be caused by rhinitis, sinusitis, gastroesophageal reflux ...
Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [ 6] 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 ...
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]
Nonallergic rhinitis is rhinitis — inflammation of the inner part of the nose—not caused by an allergy. Nonallergic rhinitis displays symptoms including chronic sneezing or having a congested, drippy nose, without an identified allergic reaction. [ 1] Other common terms for nonallergic rhinitis are vasomotor rhinitis[ 2][ 3] and perennial ...
2–3 per year (adults) 6–8 per year (children) [ 13] 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]