J Med Drug Rev 2011;1;5-12 (Review-Artikel in deutscher Sprache) Basics: Rifaximin is an antibiotic exerting local activity in the gastrointestinal tract with a broad efficacy spectrum und minimal systemic bioavailability. Rifaximin differs from Rifampicin only by an additional pyridoimidazol group inhibiting gastrointestinal absorption. Plasma levels after oral intake are minimal, […]