Rapid Strep Test – Indications, Procedures, Results

Rapid strep test

A streptococcal screen is a test to detect group A streptococcus. This bacteria is the most common cause of strep throat .

How the Test is Performed

The test requires a throat swab. The swab is tested to identify group A streptococcus. It takes about 7 minutes to get the results.

How to Prepare for the Test

There is no special preparation. Tell your health care provider if you are taking antibiotics, or have recently taken them.

How the Test will Feel

The back of your throat will be swabbed in the area of your tonsils. This may make you gag.

Why the Test is Performed

Your provider may recommend this test if you have signs of strep throat, which include:

  • Fever
  • Sore throat
  • Tender and swollen glands at the front of your neck
  • White or yellow spots on your tonsils

Normal Results

A negative strep screen most often means group A streptococcus is not present. It is unlikely that you have strep throat.

If your provider still thinks that you may have strep throat, a throat culture will be done.

What Abnormal Results Mean

A positive strep screen most often means group A streptococcus is present, and confirms that you have strep throat.

Sometimes, the test may be positive even if you do not have strep. This is called a false-positive result.

Risks

There are no risks.

Considerations

This test screens for the group A streptococcus bacteria only. It will not detect other causes of sore throat.

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