Which factors increase the risk of penicillin therapy failure in the treatment of 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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GAS remain susceptible to beta-lactam antibiotics. Clinical failures of penicillin therapy for streptococcal infections may occur. The failure rates in patients with invasive infections are higher because of the larger number of organisms.

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