Procedure with antibacterial agents alters the traditional flora of the colon resulting in overgrowth of C. difficile. Unger: Good day and welcome for the AMA Update video and podcast. Now, we're speaking about the risks of fentanyl coupled with xylazine and what medical professionals need to have to understand. Advocacy: https://andrecfdxq.blogunteer.com/26521135/not-known-factual-statements-about-xylazine-in-powder-form