
3 On the basis of a nationwide survey in 1957, covering 827 hospitals in the United States, it was estimated that a total of 1000 penicillin-related deaths occurred during the first 10 years of penicillin use. 2 Anaphylaxis induced by exposure to penicillin has been observed with oral, subcutaneous, and intravenous administration.

1 No data suggest that the frequency of allergic reactions has increased in the past 60 years, and there is convincing evidence that penicillin sensitization is lost over time. The first case of anaphylaxis associated with penicillin was reported in 1945, and a report from the World Health Organization in 1968 stated that the rate of death from anaphylaxis was 0.002%. Penicillin G remains the only recommended treatment for the prevention of mother-to-child transmission of syphilis. In 1945, Fleming, Florey, and Chain were jointly awarded the Nobel Prize in Physiology or Medicine “for the discovery of penicillin and its curative effect in various infectious diseases.” Since the early 1950s, penicillin has saved millions of lives, including those of children, pregnant women, and patients with sepsis, meningitis, or endocarditis, among other life-threatening infections. In 1928, Sir Alexander Fleming discovered that the active component of a penicillium fungus had the capacity to kill bacteria in a petri dish, and he named it penicillin. The most trusted, influential source of new medical knowledge and clinical best practices in the world.

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