Estimated US Antibiotic Use (image) University of Calgary Caption This image shows estimated antibiotic use in the United States. Data are shown as approximate numbers of kilograms of antibiotics used per year. Graphic by The New England Journal of Medicine. Credit The New England Journal of Medicine Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.