Rifaximin is an antibiotic which works within the gastrointestinal system. It is given to help prevent episodes of a problem called hepatic encephalitis in people with liver disease. Hepatic encephalitis can cause a range of symptoms. These include confusion, personality changes, and changes in alertness.
This is a companion discussion topic for the original article at https://patient.info/medicine/rifaximin-for-liver-problems-targaxan