Can I take Rifaximin while pregnant?

Absolutely not. Rifaximin has not been approved for use during pregnancy.nTo improve intestinal balance during pregnancy, I recommend my patients supplement if needed with the over the counter prebiotic plant fiber inulin. Although not as effective as rifaximin, inulin may improve the intestinal symptoms of bacterial overgrowth such as diarrhea, heartburn, nausea, and cramping.