Resumen

• Infection of the skin and subdermis of the external auditory canal.
• Most commonly caused by Pseudomonas aeruginosa and Staphylococcus species.
• Presents with rapid onset of ear pain, tenderness, itching, aural fullness, and hearing loss.
• The development of malignant or necrotising otitis externa is more common in diabetic and immunocompromised people.
• Treatment of the uncomplicated form is cleaning of the ear canal and application of topical anti-infective agents.