Pharyngitis classification

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.

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.^[1][2]

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