DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Otitis externa. Close-up of the ear of a 36 year- old male patient with an ear infection, known as otitis externa. The ear cavity filled with crusted pus is seen (at centre). Otitis externa is an infection causing inflammation of the outer ear (pinna) and/or the canal leading down to the eardrum. It may be caused by fungal or bacterial infection, and is commonly known as "swimmer's ear". It may also be associated with atopic eczema or seborrhoeic dermatitis. Symptoms can include itching, pain, a discharge of pus from the ear canal, and temporary deafness. Treatment is with antibiotic drugs, antifungal drugs, or corticosteroid drugs.
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