Time to toxin disappearance ± SD was significantly shorter with vancomycin, at 4.8 ± 1.48 days, versus rifaximin, at 8.1 ± 1.79 days (p < 0.005). Time to stool normalization was similar with ...

Rifaximin is a semi-synthetic derivative of ... Not for use if diarrhea is accompanied by fever or blood in stool, or if causative agent other than E. coli may be suspected (eg, C.