“…1,[4][5][6][7][8] Positive impacts on prescribing practices have been reported with some programs, resulting in benefits such as decreases in overall antimicrobial use, use of targeted antimicrobials, costs, and antimicrobial resistance 1,4,7,[9][10][11] ; however, the relative effect of individual factors is unclear. These include development of clinical practice guidelines, education of physicians and patients, restriction of available antimicrobials, use of antimicrobial order forms, feedback activities, monitoring of prescription patterns, use of antimicrobial rotation programs, and requiring approval of use of certain drugs.…”