Pharyngitis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Venkata Sivakrishna Kumar Pulivarthi M.B.B.S [2]

Overview

Pharyngitis can be classified based on the duration as acute pharyngitis or chronic pharyngitis. Additionally, pharyngitis may be classified broadly according to the causative agent as infectious or non-infectious.

Classification

Pharyngitis is a type of inflammation, most commonly caused by an upper respiratory tract infection. It may be classified as acute or chronic.

• Acute pharyngitis may be catarrhal, purulent or ulcerative, depending on the causative agent and the immune capacity of the affected individual.
• Chronic pharyngitis may be catarrhal, hypertrophic or atrophic.

Pharyngitis can be classified according to the causative agent.

Classification of pharyngitis
Infectious pharyngitis	Non infectious pharyngitis
Catarrhal pharyngitis Viral pharyngitis Exudative pharyngitis Purulent exudative (e.g. Group A streptococcus) Viral infections (e.g. Adenovirus, EBV) Membranous pharyngitis Diphtheria Pseudomembranous pharyngitis EBV Listeriosis Syphilis Oropharyngeal candidiasis Herpetic pharyngitis HSV Enterovirus	Gastroesophageal reflux disease (GERD) Periodic fever, aphthous ulcers, pharyngitis and adenitis (PFAPA) syndrome Kawasaki disease Systemic lupus erythematosis Stevens-Johnson syndrome Leukemia Radiation damage Burnt paryngitis