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Acute otitis externa (AOE), the diffuse inflammation of the external ear canal, may extend to the pinna or tympanic membrane. The American Academy of Otolaryngology recently developed an evidence-based clinical practice guideline for managing AOE, based on quality of evidence ratings and a systematic literature review. The guideline is intended for primary care clinicians for management of AOE in patients aged 2 years and older. Highlights include:
Nearly all AOE is caused by bacteria; Pseudomonas aeruginosa and Staphylococcus aureus are the most common pathogens. Differential diagnosis of AOE from other causes of illness or other clinical conditions that may modify standard treatment is important.
Assessment of pain and appropriate analgesia…