Asked by: Donaciones Estermanmedical health cold and flu
How do you know if a strep test is positive?
Last Updated: 5th February, 2020
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Consequently, how soon will a strep test show positive?
Throat culture test results for bacterial infections are ready in 1 to 2 days, depending on which bacteria are being tested for. Test results for a fungus may take about 7 days. Rapid strep test results are ready in 10 to 15 minutes. This test is only for bacterial infections caused by strep bacteria.
Secondly, how accurate is the rapid strep test? Most rapid strep tests have a sensitivity of 95%, meaning that the test will be positive in 95 of 100 patients who are documented to have strep throat via throat culture obtained at the same time.
In respect to this, can you test negative for strep but still have it?
In some cases, if you have symptoms of a strep infection but your test comes back negative, your doctor may order a throat culture. This means that if your test is negative, you could still have an infection from another type of bacterium or virus.
How soon can strep throat be detected?
Close contact should be within 10 days of onset of symptoms in exposed child. Reason: time from contact to Strep symptoms usually is 2 to 5 days. Throat cultures and rapid Strep tests aren't urgent. Most can be done in your doctor's office.