Anyone know how to treat  someone with C. difficile  Clostridium difficile, 
often called C. difficile  or "C. diff," is a bacterium that can cause 
symptoms ranging from diarrhea to  life-threatening inflammation of the colon. 
Illness from C. difficile most  commonly affects older adults in hospitals or 
in long term care facilities and  typically occurs after use of antibiotic 
medications.