appropriate therapy implied compliance with all of the criteria for appropriate intravenous metronidazole use with respect to indication , dose , dosage frequency , timing of perioperative prophylaxis , duration of use , and concurrent antimicrobial drug use , when metronidazole was prescribed for prophylaxis , empiric treatment or treatment of a documented infection ( documented treatment ) .
C1136254
antimicrobial drug
C0025872
metronidazole