The cause of acute pharyngitis and clinical performance is what?

Acute pharyngitis is pharyngeal mucosa, the mucosal tissue and lymph tissue of acute inflammation. Cause: (1) transmission of the virus: through droplets and close contact transmission, to Coxsackie virus, adenovirus, parainfluenza virus up. (2) bacterial infection: Streptococcus, Staphylococcus aureus and Streptococcus pneumoniae oriented. (3) physical and chemical factors: high temperatures such as dust, smoke, irritating gases. (4) physical and genetic factors. Clinical manifestations: acute onset, at the beginning of throat dry, hot, then pain, swallowing saliva, pharyngodynia often more obvious than when eating; can be associated with fever, headache, loss of appetite and limb pain; invasion and throat, With a cough and hoarseness. Oropharyngeal and nasopharyngeal mucosa was acute congestive, palate arch, hanging Yong Chui edema, and the posterior pharyngeal lymphoid follicles bands also see swelling, or in the lymphoid follicles in the yellow-white point of leakage; submaxillary Swollen lymph nodes and tenderness, involving the epiglottis can be re-pyo and epiglottis Nailfold, in edema.