DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Otitis media. Close-up of the ear of a 14-month- old boy suffering from otitis media with a perforated eardrum. Otitis media is an inflammation of the middle ear. It is caused by either a viral or bacterial infection extending up the eustachian tube (the passage connecting the back of the nose to the ear). This causes fluid to collect in the middle ear causing earache, deafness, tinnitis and fever. In this case the eardrum (tympanum) has burst resulting in a discharge of pus (yellow liquid). Treatment is with analgesic drugs to relieve the pain, and antibiotic drugs to treat the infection.
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