Glycopeptide. Probably insignificant systemic exposure. Three references consider it safe.

(To be edited, initial data ST OCT 04) Tricyclic glycopeptide antibioticum used in enterocolitis caused by Clostridium difficile. Given perorally in a dose of 500 mg (2 g) /d for 10-14 days.Only minute amounts are absorbed South African list: use. French list: authorized. Michael Moore's list: safe