Pharyngitis
Causes
Acute Pharyngitis:
- Viral infection: rhinovirus, adenovirus, Coxsackie virus, coronavirus, herpes simplex virus, Epstein-Barr virus, cytomegalovirus
- bacterial infection: beta hemolytic streptococcus group A, Neisseria gonorrhoeae, Haemophilus influenzae, streptococci other
- etiology physics: thermal burns, chemical, etc..
- early stages or infection that accompanies measles, scarlet fever, measles, etc..
Chronic Pharyngitis:
- constitutional fragility of the mucosa
- various external factors: dust, chemical burn, heat, extreme temperature variations, occupational exposure to air currents, the stuffy dry air, excessive use of air conditioning, intoxication with alcohol and tobacco, the abuse of nasal drops
- endogenous factors: mouth breathing, nasal obstruction, chronic sinusitis, enlarged adenoids
- Hormonal disorders: menopause, hypothyroidism, diabetes
- Vitamin A deficiency
- respiratory failure
- chronic bronchitis
- Improper use of voice teachers, politicians, singers, etc..
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