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Ear infection - outer ear - acute; Otitis externa - acute; Chronic swimmer's ear; Otitis externa - chronic; Ear infection - outer ear - chronic
The doctor will perform a physical exam, which includes looking inside the ears. The ear, including the ear canal, appears red and swollen. The skin inside the ear canal may be scaly or shedding.
Touching or moving the outer ear increases the pain. The eardrum may be difficult for the doctor to see because of a swelling in the outer ear. Or, the eardrum may have a hole in it. This is called a perforation.
The doctor may take a sample of fluid from the ear and send it to a lab so any bacteria or fungus can be identified.
Guss J, Ruckenstein MJ. Infections of the external ear. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 137.
Pfaff JA, Moore GP. Otolaryngology. In: Marx JA, ed. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 70.
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