Otitis
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Otitis

Definition

Otitis is a general term for infection or inflammation of the ear.

Alternative Names

Ear infection; Infection - ear

Causes

Otitis can affect the inner or outer parts of the ear. The condition is classified according to whether it occurs suddenly and for a short time (acute) or repeatedly over a long period of time (chronic).

When otitis involves the outer ear and ear canal, it is called otitis externa, often called swimmer's ear. A more severe form can spread into the bones and cartilage around the ear.

When otitis involves the middle ear, located just behind the eardrum, it is called otitis media, or ear infection.

An acute ear infection is often painful and most often starts suddenly, lasting for a short period of time.

Chronic ear infection iswhen the ear infection does not go away or keeps coming back. It may cause long-term damage to the ear.

Otitis media with effusion is when there is thick or sticky fluid behind the eardrum in the middle ear, but there is no ear infection.



Review Date: 8/1/2012
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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