The report also found that, in hospitals, a 30 percent reduction in use of the antibiotics that most often cause deadly diarrhea infections with Clostridium difficile can reduce these infections by more than 25 percent. The same antibiotics also prime patients for future super-resistant infections.

A new Vital Signs report from the Centers for Disease Control and Prevention shows that clinicians in some hospitals prescribe three times as many antibiotics than clinicians in other hospitals, even though patients were receiving care in similar areas of each hospital. In addition, about one-third of the time, prescribing practices to treat urinary tract infections and prescriptions for the critical and common drug vancomycin included a potential error - given without proper testing or evaluation, or given for too long.

"Improving antibiotic prescribing can save today's patients from deadly infections and protect lifesaving antibiotics for tomorrow's patients," said CDC Director Tom Frieden, M.D., M.P.H. "Health care facilities are an important part of the solution to drug resistance and every hospital in the country should have a strong antibiotic stewardship program."

More than half of all hospitalized patients will get an antibiotic at some point during their hospital stay. The Vital Signs report showed that the most common types of infections for which hospital clinicians write prescriptions are urinary tract infections, lung infections and suspected infections caused by drug-resistant Staphylococcus bacteria, such as MRSA.

To help hospitals, whether large or small, develop antibiotic prescribing improvement programs (also called "antibiotic stewardship" programs), CDC released practical tools that include seven key elements, a self-assessment checklist, and an in-depth implementation document.

Through the National Healthcare Safety Network, the nation's most widely used healthcare-associated infection (HAI) tracking system, CDC is working to provide facilities, states, regions, and the nation with data needed to identify problem areas, measure progress of prevention efforts, and ultimately eliminate healthcare-associated infections.

"Today's antibiotics are miracle drugs, but they are endangered," said Arjun Srinivasan, M.D. CDC medical epidemiologist. "These new materials provide core elements and practical tools for beginning and advancing antibiotic stewardship programs."

The Vital Signs report follows several calls to action from CDC on antibiotic resistance including the Antibiotic Resistance Threats to the United States, 2013 report, the 2013 Get Smart about Antibiotics Week, and the upcoming Transatlantic Taskforce on Antimicrobial Resistance 2013 report.