gram-positive_bacterial_infectious_disease obsolete Clostridium difficile intestinal infectious disease true disease_ontology A commensal bacterial infectious disease that involves infection of the intestine by the bacterium Clostridium difficile, which causes diarrhea, pseudomembranous colitis, toxic megacolon, intestinal perforation and sepsis. The symptoms include fever, loss of appetite, nausea and abdominal pain. DOID:12819 intestinal infectious disease due to clostridium difficile