Diffuse congestion of pharyngeal mucosa

Acute pharyngitis is an acute inflammation of the pharyngeal mucosa that affects submucosa and lymphoid tissues. It is often secondary to acute rhinitis or acute tonsils or is part of the upper respiratory tract infection. It is also often a local manifestation of a systemic disease or a precursor to an acute infectious disease. Chronic pharyngitis: mainly chronic inflammation of the pharyngeal mucosa. Diffuse inflammation is often part of chronic catarrhal inflammation of the upper respiratory tract. Local inflammation is often accompanied by inflammation of pharyngeal lymphoid tissue. Chronic pharyngitis is a common and frequently-occurring disease in clinical practice. It is more stubborn and recurrent in conventional drug treatment, and it is more common in middle-aged people.