Anti-antibiotic schematic (IMAGE) Penn State Caption Researchers have found that an inexpensive, FDA-approved drug for treating cholesterol -- cholestyramine -- taken in conjunction with an antibiotic prevents the antibiotic from driving antimicrobial resistance in the gut. Credit Andrew Cheshire, Penn State Usage Restrictions None License Licensed content 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.