When are follow-up throat cultures indicated in group A streptococcal (GAS) infections?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Follow-up culturing of throat swabs is not routinely indicated in asymptomatic patients who have received a complete course of therapy for GAS pharyngitis (A-II), except in those with a history of rheumatic fever. Follow-up throat culturing should also be considered in patients who develop acute pharyngitis during outbreaks of ARF or acute PSGN, during outbreaks of GAS pharyngitis in closed or partially closed communities, or when a "ping-pong" spread of GAS infection has been occurring within a family (B-III). [2]

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