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  • Title: Oral erythromycin prophylaxis against Streptococcus pyogenes infection in penicillin-allergic military recruits: a randomized clinical trial.
    Author: Fujikawa J, Struewing JP, Hyams KC, Kaplan EL, Tupponce AK, Gray GC.
    Journal: J Infect Dis; 1992 Jul; 166(1):162-5. PubMed ID: 1607691.
    Abstract:
    Historically, military recruits have required benzathine penicillin G to prevent epidemics of Streptococcus pyogenes. In this randomized clinical trial, low-dose oral erythromycin was evaluated as an alternative for prophylaxis against group A beta-hemolytic streptococci in penicillin-allergic recruits. US Marine Corps recruits (186) reporting penicillin allergy were randomly given either oral erythromycin (250 mg twice a day) or a vitamin (one tablet daily) for 60 days. Evidence of infection was defined as a two-dilution rise in anti-streptolysin O titer. The erythromycin group had a significantly lower risk of S. pyogenes infection than did the vitamin group (relative risk 0.44; 95% confidence interval, 0.22-0.89). There was no significant difference among the treatment groups in isolation of group A beta-hemolytic streptococci from throat cultures. Low-dose oral erythromycin appears as effective as benzanthine penicillin G in preventing S. pyogenes infection.
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