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Otitis externa (also called swimmer's ear) is an inflammation of the outer ear and ear canal, commonly caused by Pseudomonas aeruginosa and Staphylococcus aureus bacterial infections. People with Otitis externa can present with ear pain and itchiness, ear canal swelling, impaired hearing, and purulent drainage from the ear. Treatment involves pain management, aural toilet, anti-inflammatories, and antibiotics.
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