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Emergence of Macrolide-Resistant Streptococcus pyogenes Strains in French Children

American Society for Microbiology
Publication Date
  • Susceptibility
  • Chemistry


JAMA Patient Page | Inappropriate Use of Antibiotics IN FE C TIO U S D IS E A S E S The Journal of the American Medical AssociationJAMA PATIENT PAGE Inappropriate Use of Antibiotics An antibiotic is a substance produced naturally by microorganisms or synthetically by chemists in a laboratory. Antibiotics are capable of inhibiting the growth of or killing bacteria (a particular class of germs). A Nobel Prize was awarded to Alexander Fleming for his discovery of penicillin in 1928. However, it wasn’t until 1941 that penicillin was successfully produced for commercial use, in time to treat infections in soldiers injured during World War II. Since then many new antibiotics have been discovered and produced. Most have a limited number of the types of bacteria that they can inhibit or destroy. Other antibiotics are broad spectrum, meaning they can destroy many types of bacteria. Antibiotics should be used only for bacterial infections and are not effective against the viruses that cause many illnesses including influenza and most upper respiratory tract infections, including the common cold, or fungal infections like those caused by yeast. The inappropriate use of antibiotics for these types of infections as well as the more frequent use of broad-spectrum antibiotics has caused the emergence of newer strains of bacteria that are resistant to many antibiotics. The August 19, 2009, issue of JAMA includes an article about use of antibiotics in acute respiratory illness. FOR MORE INFORMATION • Centers for Disease Control and Prevention /community/know-and-do.htm • American Academy of Pediatrics INFORM YOURSELF To find this and other JAMA Patient Pages, go to the Patient Page link on JAMA’s Web site at Many are available in English and Spanish. A Patient Page on coughs, cold, and antibiotics was published in the May 28, 2003, issue. Carolyn J. Hildreth, MD, Writer Alison

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