RIFAXA TABS 200 MG 10 SRIFAXA 200mg Tablets (10s) Rifaximin for Travelers Diarrhea & IBS Relief RIFAXA 200mg Tablet contains Rifaximin, a non systemic, broad spectrum antibiotic that works locally in the intestines to treat bacterial infections. It is especially effective in managing travelers diarrhea, irritable bowel syndrome with diarrhea (IBS D), and hepatic encephalopathy. RIFAXA is well tolerated and causes minimal systemic side effects due to its low absorption in