What is the rate of group A streptococci (GAS) macrolide resistance?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Strains of GAS resistant to macrolides have been highly prevalent in some areas of the world and have resulted in treatment failures. The IDSA 2012 guidelines state macrolide resistance rates among pharyngeal isolates in most areas of the United States have been around 5-8%. [2]

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