Dermatoses involving the external auditory canal

Dermatoses involving the external auditory canal

  • Various dermatologic conditions (eg, atopic dermatitis/eczema, seborrheic dermatitis, contact dermatitis) involving the ear canal can mimic otitis externa and present with ear discomfort, discharge from the ear canal, external auditory canal erythema, and edema 
  • Dermatologic conditions that affect the integrity of the skin barrier in the auditory canal can lead to secondary otitis externa
  • Pruritus is often more intense in patients with underlying dermatologic conditions; they often have evidence of additional underlying disease elsewhere on body discovered with thorough cutaneous examination 
  • Discharge from the external auditory meatus, when encountered, is often more scaling or flaky and less purulent in nature 
  • Differentiate diseases based on clinical presentation and disease course
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