after donald trump's big win in new hampshire, the other gop candidates are turning their toughest attacks on trump. >> donald trump has zero foreign policy experience. negotiating a hotel deal in another country is not foreign policy experience. think of it as a seven seat theater... for an action packed thriller. urgent diarrhea.in. it could be ibs-d new prescription xifaxan is an ibs-d treatment that helps relieve your diarrhea and abdominal pain symptoms. do not use xifaxan if you have a history of sensitivity to rifaximin, rifamycin antibiotic agents, or any components of xifaxan. tell your doctor right away if your diarrhea worsens while taking xifaxan, as this may be a sign of a serious or even fatal condition. tell your doctor if you have liver disease or are taking other medications, because these may increase the amount of xifaxan in your body. tell your doctor if you are pregnant, plan on becoming pregnant, or are nursing. the most common side effects are nausea and an increase in liver enzymes. if you think you have ibs with diarrhea, ask to your doctor about new xifaxan.