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    Swimmer's Ear Costs U.S. Half a Billion Yearly

    Study Finds Each Minor Infection Costs a Patient About $200 to Treat
    WebMD Health News
    Reviewed by Laura J. Martin, MD

    May 19, 2011 -- Swimmers often regard inflammation of the external ear canal, known as swimmer's ear, as an inevitable, minor nuisance. But a new study finds that the problem adds substantially to health care costs and the number of annual doctor visits.

    "For swimmer's ear, there are 2.4 million health care visits and it costs half a billion dollars in health care costs each year," says Emily Piercefield, MD, DVM, an epidemiologist with the CDC who co-authored the report.

    That doesn't include lost time from work and school activities, she tells WebMD.

    The condition is often preventable, she says, by following simple hygiene measures and other tips.

    The research is published in the Morbidity and Mortality Weekly Report.

    Swimmer's Ear: By the Numbers

    The new study is believed to be the first report to describe the overall number of cases in children and adults and the costs associated with the condition.

    Swimmer's ear, known to doctors as acute otitis externa, is an inflammation of the external ear canal. Bacterial infection is the typical cause. The symptoms include pain, tenderness, redness, and swelling of the ear canal. There can also be discharge from the ear.

    Piercefield and her team used databases such as the National Ambulatory Medical Care Survey and a database of emergency room visits. They used an insurance claim and payment database to estimate costs.

    The $200 cost per infection was for those who didn't need to be hospitalized. Less than 3% of visits to the emergency department for swimmer's ear during 2007 ended in hospital admission.

    Among other findings:

    • One in 123 Americans visited a doctor in 2007 for swimmer's ear.
    • From 2003 to 2007, children ages 5 to 14 had the highest annual visit rates for swimmer's ear, but more than 50% of visits were by adults 20 and older.
    • Cases peaked during summer swimming season, not surprisingly. June, July, and August are peak months.

    Swimmer's Ear: Stopping It

    Swimmers can reduce their risk of the infection, Piercefield says. Being aware of risk factors is one way.

    "Risk factors are frequent swimming," she says. "The longer you are in the pool and more frequently, those increase your risk. If you are in a warm, humid environment, that increases your risk."

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