Two streptogramins are clinically important in human medicine in the treatment of last resort of vancomycin resistant enterococci, namely pristinamycin and the combination dalfopristin/quinupristin. ... SCAN is also concerned about the development of vancomycin resistance amongst enterococci and methicillin-resistant strains of Staphylococcus aureus, which are increasingly responsible for nosocomial infections, particularly in the United States and southern Europe; whereas that could make it necessary to use streptogramins as therapeutic agents of last resort to treat germs which have developed resistance to other antibiotics. ... Bacitracin zinc, a cyclic polypeptide, is also used in human medicine mainly for topical treatment of infections of the skin and mucosal surfaces; whereas publications show that it could possibly be used for the treatment of vancomycin resistant enterococci, which represent a clinical problem in human medicine.
