When is long-term antibiotic therapy indicated for prevention 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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Long-term antibiotic therapy to prevent streptococcal infection is indicated for patients with a history of acute rheumatic fever or rheumatic heart disease. The recommended regimen is 1.2 million international units of benzathine penicillin G injected every 3-4 weeks, 250 mg of oral penicillin V twice daily, or 0.5-1 g of sulfadiazine daily.

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