This document provides information about chronic pharyngitis, including its causes, symptoms, signs, complications, differential diagnosis, and treatment. Chronic pharyngitis is a long-term inflammatory condition of the pharynx that is characterized by hypertrophy of the mucosa and subepithelial lymphoid follicles. It has two main types - chronic catarrhal pharyngitis and chronic hypertrophic pharyngitis. Common causes include persistent infections, mouth breathing, chronic irritants like smoking, and environmental pollution. Symptoms are discomfort in the throat, a foreign body sensation, tiredness of voice, and cough. Treatment focuses on addressing the underlying cause, using voice rest, warm saline g