How Is the Flu Diagnosed? - 0 views
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the flu is often diagnosed based on a combination of symptoms and a flu test.
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your health care provider may decide that you should be tested for the flu. Usually, this will involve a nasal or throat culture and the test can be run in the office.
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While these tests are useful, they are not definitive when making a flu diagnosis because false negatives are fairly common
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If you believe you might have the flu, try to see your health care provider within the first 48 hours of the onset of your symptoms.