Chronic Rhinitis (cont.)
What conditions cause an abnormal production of nasal secretions?
The following conditions are often associated with increased nasal drainage.
Also, it would not be unusual to have more than one factor involved in a
particular individual.
The following may cause an increase in thin secretions:
- viruses
- allergies
- cold temperatures
- certain foods or spices
- pregnancy or hormonal changes
- drug side-effects (particularly certain
high blood pressure medications)
- structural problems (deviated septum, large turbinates)
- vasomotor rhinitis (an abnormal regulatory problem with the nose)
Decreasing the fluid content of the mucus usually thickens the secretions
leading to the impression of increased mucus. The following may cause thickened
secretions:
- low humidity
- sinus or nasal infections
- foreign bodies (especially if the drainage is from one side)
- environmental irritants (tobacco smoke, smog)
- structural problems (deviated septum, enlarged turbinates, enlarged
adenoids)
- advanced age - mucus membrane lining the nose can shrink with age leading to
a reduced volume of secretions that are thicker
- hormonal problems
- drug side-effects (antihistamines)
What conditions cause an impaired clearance of nasal secretions?
Swallowing problems can make it difficult to clear normal secretions. This
may result in the accumulation of material in the throat, which can spill into
the voice box, causing hoarseness, throat clearing, or cough. The following
factors can contribute to swallowing problems:
- Advancing age: This will lead to decreased strength and coordination in
swallowing.
- Stress: Stress leads to muscle spasm or "lump in throat." Also a nervous
habit of frequent throat clearing will make the situation worse.
- Narrowing of the throat due to tumors or other conditions: This will impair
the passage of food.
- Gastroesophageal reflux (GERD)
- Nerve or muscle disorders: (stroke, and muscle diseases, etc.)
Next: How can chronic rhinitis and post-nasal drip be treated? »
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