Nixaf Tablets 550mgProduct Overview Product Form: Tablets Pack Size: Varies Manufactured By: SAMI PHARMACEUTICALS Prescription Required: Yes Product Details Nixaf Tablets 550mg, containing the active ingredient Rifaximin, are specifically formulated to combat bacterial infections. Rifaximin works by binding to the bacterial DNA dependent RNA polymerase, which inhibits bacterial RNA synthesis. This action effectively targets non invasive strains of Escherichia coli,