Rifaximin

pharmacological · digestive · Oral

Rifaximin. Non-absorbed rifamycin — minimal systemic exposure (<1% bioavailability) means minimal CYP induction despite same PXR mechanism. Used… Oral half-life 6 h.

Non-absorbed rifamycin — minimal systemic exposure (<1% bioavailability) means minimal CYP induction despite same PXR mechanism. Used for travelers diarrhea, hepatic encephalopathy (gut ammonia), and IBS-D (gut microbiome modulation).