Clostridium difficile Infection
Clinical features
Criteria for severe infection (any one from the following)
- In ITU for CDI or complications
- Suspected /confirmed ileus, toxic megacolon, pseudomembranous colitis
- Temp >38.5oC
- White cell count >15
- Acutely rising serum creatinine, or creatinine >1.5 times baseline
- Colonic dilatation >6cm
- Immunocompromised
Investigations
Stool (culture and C difficile toxin)
Test of clearance is not indicated for C. difficile positive patients. stool sample should not be sent within 28 days of a positive result and will not be tested.
Infection Control
Isolation with contact precautions
Treatment
- Rehydrate
- Assess daily
- Complete the medical management form (available via Infection Control homepage)
- Stop other antimicrobials if possible
- Stop PPI if possible
- Stop antimotility agents and laxatives
- Consider surgical review in severe disease
- Discuss all recurrences with Microbiology - Fidaxomicin (protected antibiotic) may be indicated instead of regimens given below
Non-severe, 1st episode
METRONIDAZOLE PO 400mg 8 hourly
If not better after 5 days, change to VANCOMYCIN PO as below
Severe, 1st episode
VANCOMYCIN PO 125mg 6 hourly
If PO route not available
METRONIDAZOLE IV 500mg 8 hourly
Duration: 10 days