DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Outer ear infection. Ear of a 20-year-old man suffering from otitis externa, contracted in a swimming pool. Otitis externa, or swimmer's ear, is inflammation of the ear canal and the outer ear. It is usually the result of a bacterial or fungal infection, and often develops after swimming in dirty water. Treatment is with antibiotics and anti-inflammatory drugs.
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