Table 5.

Australasian Society for Infectious Disease.²³

Alternative Potential Regimens with ‘some evidence of efficacy but unclear role’
Bacitracin, 20 000 units orally, four times daily for 7 days
Fusidic acid, 500 mg orally, three times daily for 10 days
Teicoplanin, 100–400 mg orally, twice daily for 10 days
Tigecycline, 100 mg intravenous loading dose, then 50 mg twice daily for 14–21 days
Rifampicin, 300–600 mg orally, twice daily (in combination with vancomycin for relapse) for 7–10 days
Rifaximin, 200 mg orally, three times daily for 10 days
Nitazoxanide, 500 mg orally, twice daily for 7–10 days
Tolevamer, 6 g orally, daily for 14 days
Antibodies to C. difficile toxins A and B (anti-TcdA and anti-TcdB, 10 mg/kg, single dose in combination with metronidazole or vancomycin)
Fecal enema — consider logistical issues; donor screening required
Intravenous gammaglobulin