Initial episode

 
Usual Pathogens

Clostridioides (Clostridium) difficile

Mild-moderate

Empiric Therapy Dose Duration
Metronidazole 30mg/kg/d PO div qid (max 500mg PO qid) 10-14 days

Severe/unresponsive to metronidazole

Empiric Therapy Dose Duration
Vancomycin 40mg/kg/d PO div qid (max 125mg PO qid) 10-14 days