The etiology of acute pharyngitis and clinical performance?

Acute pharyngitis is the pharyngeal mucosa, submucosa and acute lymphoid tissue inflammation.
Etiology: (1) the transmission of the virus: through droplets and close contact transmission, to Coxsackie virus, adenovirus, parainfluenza virus maximum. (2) of bacterial infection: Streptococcus, Staphylococcus aureus and Streptococcus pneumoniae based. (3) physical and chemical factors: high temperature such as dust, smoke, irritating gases. (4) physical and genetic factors.
Clinical manifestations: rapid onset, at the beginning of dry throat, heartburn; then pain, swallowing saliva when pharyngodynia often more evident than when eating; can be associated with fever, headache, loss of appetite and limb pain; invasion and throat, with hoarseness and cough. Oropharyngeal and nasopharyngeal mucosa was acute congestive palate arch, hanging Obstructing Chui edema, and the posterior pharyngeal lymphoid follicles bands also see redness, or lymphoid follicles in a yellow-white central point exudation; submandibular tenderness and swelling of lymph nodes, can be re-pyo involved epiglottis and epiglottis Nailfold occurred edema.