title: Recurrence of antibiotic-associated pseudomembranous colitis after parenteral metronidazole therapy and cure by oral vancomycin: case report.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D004761:Enterocolitis, Pseudomembranous / Q000188:drug therapy*; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008795:Metronidazole / Q000008:administration & dosage / Q000627:therapeutic use*; D012008:Recurrence; D014640:Vancomycin / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D008795:Metronidazole; D014640:Vancomycin