Recurrent episodes of acute pharyngitis are the main cause of chronic pharyngitis.
1. Upper respiratory tract lesions near the pharynx
For example, chronic inflammation of the nasal cavity, paranasal sinuses, and nasopharynx can cause inflammatory secretions to backflow into the pharynx through the choana and irritate the pharynx. Diseases such as chronic rhinitis, deviated nasal septum, chronic sinusitis, adenoid hypertrophy, snoring, or space-occupying lesions in the nasal sinuses and nasopharynx affect nasal ventilation, resulting in long-term mouth breathing and long-term excessive pharyngeal mucosa. Dryness can lead to chronic pharyngitis; the chronic inflammation of chronic tonsillitis can directly spread to the posterior pharyngeal wall, causing chronic pharyngitis; if oral inflammation cannot be controlled in time, chronic pharyngitis can also lead to chronic pharyngitis as the inflammation spreads.
2. Changes in climate and regional environment
Changes in temperature and humidity, poor air quality, irritation from tobacco and alcohol, spicy food, dust, harmful gases and radioactive exposure can also cause chronic Causes of Pharyngitis.
3. Occupational factors
People who use a lot of voices for a long time, such as teachers, singers, and susceptible physical factors can also cause this disease.
4. Systemic factors
Such as anemia, indigestion, gastroesophageal reflux, heart disease (local congestion in the pharynx caused by blood circulation disorder affecting pharyngeal venous return), chronic bronchitis Chronic pharyngitis, bronchial asthma, rheumatism, liver and kidney diseases, etc. can also be caused. Endocrine disorders, autonomic nervous system disorders, infections with B. odorifera and Bacillus diphtheriae, vitamin deficiency and immune dysfunction are all related to atrophic and sicca pharyngitis.
5. Allergy factors
Inhaled allergens (including seasonal and perennial allergens), drugs, chemical irritants in the work environment and food allergens can cause changes. Atopic pharyngitis.
Reposted from Encyclopedia