Rifaximin is used to treat traveler's diarrhea that is caused by a bacteria called Escherichia coli. It is also used to prevent hepatic encephalopathy, which is a condition that occurs when your liver does not work normally. This medicine is also used to treat irritable bowel syndrome with diarrhea.
Common side effects
Dizziness, Nausea, Peripheral edema, Ascites (accumulation of fluid in the abdominal cavity), Fatigue