This document discusses pharyngitis, or sore throat, which can be either acute or chronic. Acute pharyngitis is commonly caused by viruses like adenovirus or bacteria like streptococcus. It causes symptoms like a painful throat, fever, and swollen lymph nodes. Chronic pharyngitis is a persistent inflammation that can be caused by irritants like dust or smoking and is characterized by white patches in the throat. Both can be diagnosed through exams, tests, and cultures. Acute pharyngitis is usually treated with antibiotics, analgesics, or gargles while chronic pharyngitis focuses on symptom relief through avoiding irritants and medications.