When are rapid antigen detection tests used to confirm a diagnosis of streptococcal pharyngitis (strep throat)?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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When the diagnosis of streptococcal pharyngitis seems particularly likely based on examination findings or when social factors necessitate an immediate decision about antibiotic therapy, the use of rapid antigen detection tests capable within minutes of identifying GAS directly from the throat swab is a reasonable option in most practice settings.

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