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640 S. State StreetDover DE 1990121 West Clarke AvenueMilford DE 19963
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Whooping cough antibody test
This test checks for Bordetella pertussis antibodies in your blood. B. pertussis are the bacteria that cause pertussis, or whooping cough.
Whooping cough is a highly contagious childhood infection that can also affect adults. It can be quite serious and sometimes deadly, especially in children younger than 6 months. Its hallmark symptom is a cough that may last 10 months or longer.
Although most people in the U.S. have been vaccinated against whooping cough, the number of cases of the disease has increased over the last few decades, especially among adults.
You may have this test if your doctor suspects that you have whooping cough.
You may need this test done twice several weeks apart to find out whether you have an active infection.
Your doctor may also order a culture test or other tests to confirm the results of the antibody test. These tests include checking for IgM or IgA antibodies.
Many things may affect your lab test results. These include the method each lab uses to do the test. Even if your test results are different from the normal value, you may not have a problem. To learn what the results mean for you, talk with your health care provider.
If you've never been immunized against pertussis, a normal value of B. pertussis antibodies is zero. If you have been immunized, it's likely that you will have IgG antibodies to B. pertussis, even if you don't currently have an active pertussis infection.
The test requires a blood sample, which is drawn through a needle from a vein in your arm.
Taking a blood sample with a needle carries risks that include bleeding, infection, bruising, or feeling dizzy. When the needle pricks your arm, you may feel a slight stinging sensation or pain. Afterward, the site may be slightly sore.
Taking antibiotics like erythromycin can give a false-negative result.
You don't need to prepare for this test. But be sure your doctor knows about all medicines, herbs, vitamins, and supplements you are taking. This includes medicines that don't need a prescription and any illicit drugs you may use.
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