Pharyngitis is mainly divided into acute pharyngitis and chronic pharyngitis, and the causes are as follows.
1. Acute pharyngitis: viral infections such as adenovirus, parainfluenza virus and other infections; bacterial infections, streptococcus, staphylococcus and pneumococcus are most common; environmental factors, such as dryness, dust, smoke, noxious gases, or allergenic stimulation can cause acute pharyngitis.
2. Chronic pharyngitis: repeated episodes of acute pharyngitis; a variety of nasal diseases and chronic inflammation of the respiratory tract, as well as long-term nasal congestion breathing through the mouth, chronic diseases of neighboring organs, inflammatory secretion stimulation, tobacco and alcohol stimulation, polluted environments, dry air, the body’s chronic diseases, such as anemia, dyspepsia, cardiovascular disease, endocrine dysfunction, etc., can be triggered by chronic pharyngitis.
Pharyngitis need to go to the hospital for examination, clear cause and follow the doctor’s instructions for treatment.