Antibiotic audit letters sent to primary care physicians provide clinical and economic value according to an economic evaluation of data from Canada. The audit enables an objective description and analysis of pre-intervention practice compared to good practice, thereby identifying priority problems for targeted measures[1]. It mainly focuses on community-based respiratory infections, where influencing prescribing in primary and ambulatory care is crucial for the prevention of antibiotic resistance, as ambulatory consumption accounts for around 90% of total consumption[1]. The first audits in primary pediatric care in Slovakia and the Czech Republic were organized by the Antibiotic Center of Na Homolce Hospital from 1998 in the Prague 5 and Prague 13 regions (13 pediatricians in 1998, 23 in 1999, 28 in 2000)[1]. The main reason was the evaluation of prescribing behavior in connection with increasing resistance[1]. A repeated audit quickly improved the choice of the optimal antibiotic for acute tonsillopharyngitis: 10 pediatricians in the first year treated 40% of cases with macrolides contrary to recommendations, after two years of audits and education, compliance with the procedure increased from 60% to more than 95%[1].