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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.
Excess mucus accumulating in the throat or back of the nose may cause a post-nasal drip, resulting in a sore throat or coughing. [9] Additional symptoms include lacrimation, [ 10 ] sneezing , nosebleeds , and nasal discharge.
Nasal mucus may be removed by blowing the nose or by using nasal irrigation. Excess nasal mucus, as with a cold or allergies, due to vascular engorgement associated with vasodilation and increased capillary permeability caused by histamines, [14] may be treated cautiously with decongestant medications. Thickening of mucus as a "rebound" effect ...
Antihistamines to calm down the body’s immune system, which causes excess mucus. When to see a doctor. ... Thick nasal discharge with facial pain lasting longer than 10 days.
In addition, seasonal allergies are known to cause sinus inflammation, but that isn’t the only area that can become inflamed. ... this accumulated nasal mucus can also lead to excessive coughing ...
The characteristic symptoms of allergic rhinitis are: rhinorrhea (excess nasal secretion), itching, sneezing fits, and nasal congestion/obstruction. [17] Characteristic physical findings include conjunctival swelling and erythema , eyelid swelling with Dennie–Morgan folds , lower eyelid venous stasis (rings under the eyes known as " allergic ...
Chest congestion is usually caused by excess mucus in the airways, says Meilan King Han, M.D., M.S., professor of medicine and chief of the Division of Pulmonary and Critical Care at the ...
Parasympathetic stimulation causes not only excessive secretion from the nasal gland but also vasodilatation and engorgement, which lead to rhinorrhoea and congestion of the nose. The autonomic nervous system , which supplies the nasal mucosa, is under the control of the hypothalamus .