“…The appropriate choice of antimicrobial agents, dosage regimen, timing, duration, and route of administration must be evidence based. Inappropriate use of antibiotic prophylaxis, for example, over-consumption or inappropriate timing [9], have been shown to increase the risk of adverse drug reactions [10], hospital costs, emergence of resistant strains of microorganisms, and super-infections [10,11]. Several studies have reported overuse and/or misuse of preoperative antibiotics in various countries [2,3,6,8,10].…”