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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.
In cold weather the mucus lining nasal passages tends to dry out, so that mucous membranes must work harder, producing more mucus to keep the cavity lined. As a result, the nasal cavity can fill up with mucus. At the same time, when air is exhaled, water vapor in breath condenses as the warm air meets the colder outside temperature near the ...
Also called rhinorrhea, is a very common medical disorder that occurs when the nasal tissues are congested and the excess fluid runs either at the back of the throat or out of the nose. Post-nasal drip can be caused by the common cold, allergies to dust, smoking, or pet dander. Even spicy foods can sometimes cause post-nasal drip.
The mucus may have a foul or rotten odor and taste, which results in bad breath. Post-nasal drip is often worse while sleeping, Hoss explains, so people may notice that mornings are more intense ...
A related condition called sexually induced sneezing also exists, where people sneeze, sometimes uncontrollably, when engaging in or even thinking about sexual activity. [8] A phenomenon presumably related to honeymoon rhinitis is the frequent side effect of nasal congestion during the use of Viagra or related phosphodiesterase type 5 ...
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 allergic rhinitis, [5] which is usually triggered by airborne allergens such as pollen and dander. [6]
The major symptoms of ENS include a sensation of suffocation, nasal dryness, nasal burning, nasal crusting, and an impaired sense of airflow through the nose in patients who have had surgery or injury to nasal turbinates. [13] ENS can greatly reduce a patient's quality of life and many patients struggle to complete activities of daily living.
This causes an excess amount of water to build up inside nasal cavities. In these cases, the excess fluid usually spills out externally through the nostrils. [15] 3D render showing accumulated mucus in the airways. In the lower respiratory tract impaired mucociliary clearance due to conditions such as primary ciliary dyskinesia may result in ...