<prompt> Drugs that can be used to treat infections caused by Bacteroides fragilis are all EXCEPT:MetronidazoleErythromycinVancomycinAmikacin  <response>: Ref: KDT 6e p729 Drugs used to treat anaerobic organisms include: Metronidazole Moxifloxacin and Trovafloxacin Vancomycin Clindamycin Chloramphenicol Aminoglycosides are ineffective against anaerobic organisms 