CrCl > 80: Patients 12 years of age or older with diarrhea due to Giardia lamblia500 mgpo q 12 hours with food for 3 days. Clostridium difficile: 250 mg 4 times per day for 10 days or 500 mg 2 times per day for 10 days is as effective as metronidazole.
CrCl < 10:
Important side effects
The ususal hodgepodge of gi complaints.