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A streptococcal screen is a test to detect group A streptococcus, the most common cause of strep throat.
Rapid strep test
The test requires a throat swab. It takes about 7 minutes. The swab is tested to identify group A streptococcus.
There is no special preparation. Inform the health care provider if you are taking, or have recently taken, antibiotics.
Your throat will be swabbed in the area of the tonsils. This may make you gag.
The test is performed when the doctor suspects strep throat or if you have symptoms of pharyngitis (sore throat).
Group A streptococcus is not present.
Group A streptococcus is present (confirms strep throat).
There are no risks.
This test screens for the group A streptococcus organism only and will not detect other causes of sore throat.
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