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Ear Infection - Acute
Alternate Names : Infection - Inner Ear, Middle Ear Infection - Acute, Otitis Media - Acute
Definition
Ear infections are one of the most common reasons parents take their children to the doctor. While there are different types of ear infections, the most common is called otitis media, which means an inflammation and infection of the middle ear. The middle ear is located just behind the eardrum.
The term "acute" refers to a short and painful episode. An ear infection that lasts a long time or comes and goes is called chronic otitis media.
For links to other types of ear infections, see otitis.
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Overview, Causes, & Risk Factors
Ear infections are common in infants and children in part because their eustachian tubes become clogged easily. For each ear, a eustachian tube runs from the middle ear to the back of the throat. Its purpose is to drain fluid and bacteria that normally occurs in the middle ear. If the eustachian tube becomes blocked, however, fluid can build up and become infected.
Anything that causes the eustachian tubes and upper airways to become inflamed or irritated, or which cause more fluids to be produced, can lead to a blocked eustachian tube. These include:
- Colds and sinus infections
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Allergies
- Tobacco smoke or other irritants
- Infected or overgrown adenoids
- Excess mucus and saliva produced during teething
Another factor that could make ear infections more likely is if a child spends a lot of time drinking while lying on his or her back, such as with a sippy cup or bottle. Contrary to popular opinion, getting water in the ears will not cause an acute ear infection, unless the eardrum has a hole from a previous episode.
Ear infections occur most frequently in the winter. An ear infection is not contagious in itself, but a cold may spread among a group of children and cause some of them to get ear infections.
Risk factors include the following:
- Not being breast-fed
- Recent ear infection
- Recent illness of any type (lowers resistance of the body to infection)
- Day care (especially with more than 6 children)
- Pacifier use
- Genetic factors (susceptibility to infection may run in families)
- Changes in altitude or climate
- Cold climate
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Definition Acute Ear Infection Overview, Causes, & Risk Factors Acute Ear Infection Symptoms & Signs Acute Ear Infection Prevention Acute Ear Infection Diagnosis & Tests Acute Ear Infection Treatment Acute Ear Infection Prognosis Acute Ear Infection Complications Calling Your Health Care Provider
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Topics that might be of interest to you Diseases & Conditions
Allergies Enlarged Adenoids Mastoiditis Meningitis Otitis Otitis Media - Chronic Ruptured or Perforated Eardrum
Surgery & Procedures
Ear Tube Insertion
Other Topics
Diarrhea Earache Fever Hearing Loss Nausea and Vomiting
Review Date : 10/14/2003
Reviewed By : Alan Greene, M.D., F.A.A.P., Department of Pediatrics, Packard Children's Hospital, Stanford University School of Medicine; Chief Medical Officer, A.D.A.M., Inc.
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