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With the advent of antimicrobial agents twenty-five years ago, the course of many infections has been profoundly altered since these agents have often enabled the normal defense mechanism of the body to be by passed. However, the enthusiasm and widespread use that followed the introduction of each new drug was gradually tempered by the knowledge that these drugs, by virtue of their ability to influence the host-parasite relationship, could exert harmful as well as beneficial effects. Further, it became obvious that certain criteria were required for the intelligent use of these antimicrobial agents. The rational use of antibacterial drugs should be based upon two prin ciples. First, the specific identity of the infecting organism must be de termined. Second, a test must be devised which will provide an accurate estimate that the antibiotic will be effective in vivo. An obvious solution to the latter problem is to assess the activity of a drug in experimental infec tions in animals. However, the response of these infections to antibiotics has been a notoriously unreliable guide to the treatment of human disease. In addition, this method is expensive, cumbersome, and does not lend itself readily LO use on a large scale.
Annual Review of Medicine – Annual Reviews
Published: Feb 1, 1963
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