Which antibiotic is used to treat Vancomycin-resistant Enterococcus (VRE)?

Quinupristin-dalfopristin is an antibiotic combination that is specifically utilized to treat infections caused by Vancomycin-resistant Enterococcus (VRE). This combination works by interfering with bacterial protein synthesis, effectively inhibiting the growth of the bacteria. Quinupristin-dalfopristin is particularly effective against certain strains of Enterococcus that have developed resistance to vancomycin, making it a valuable option in the treatment of VRE infections.

While other antibiotics listed, such as Linezolid and Tigecycline, can also be used against VRE, the specific choice of quinupristin-dalfopristin targets Enterococcus when other options may not be suitable due to resistance patterns or specific infection locations. Metronidazole, on the other hand, is primarily used for anaerobic bacterial infections and certain protozoal infections, and does not have activity against Enterococcus species. In summary, quinupristin-dalfopristin's mechanism and confirmed efficacy in treating VRE infections underscore its role as an effective therapeutic option.