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Strep
What the test is for:
The Strep test, or streptococcal test, is performed to identify the presence of Group A Streptococcus bacteria in the throat. This bacterium causes strep throat and other infections. The test helps diagnose the cause of a sore throat, guiding appropriate treatment.
Virus details:
Group A Streptococcus, the bacteria targeted by the Strep test, is responsible for various infections. It can lead to strep throat, scarlet fever, and, in rare cases, more severe conditions like rheumatic fever or post-streptococcal glomerulonephritis.
What it detects:
The Strep test specifically detects the presence of Group A Streptococcus bacteria in a throat swab. It identifies the bacterial antigens or genetic material, aiding in the accurate and timely diagnosis of strep throat. Early detection facilitates prompt treatment, preventing complications and promoting a faster recovery.
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STDs Women's Health
Respiratory
Frequently Asked Questions
There are primarily two types of strep tests:
- Rapid antigen detection tests (RADTs): These tests provide quick results (usually within 5–15 minutes) by detecting specific streptococcal antigens in throat swab specimens.
- Throat culture: This test involves culturing a throat swab specimen in a laboratory to isolate and identify group A Streptococcus bacteria, providing results within 1–2 days.
Strep throat testing is recommended for individuals with symptoms suggestive of strep throat, especially if they have a fever, swollen lymph nodes, or other signs of bacterial infection.
Strep tests specifically detect group A Streptococcus bacteria and cannot differentiate between viral and bacterial causes of throat infections.
Strep testing is recommended for individuals, particularly children and adolescents, who present with symptoms of sore throat and fever, especially if other symptoms of strep throat are present, such as swollen tonsils or tender lymph nodes.
Strep tests primarily detect the presence of group A Streptococcus bacteria in the throat but do not provide information about antibiotic resistance. Throat culture may be performed to identify antibiotic-resistant strains of strep bacteria in certain cases.