Xifaxan (Rifaximin) - Description

DESCRIPTION

XIFAXAN™ Tablets contain rifaximin, a semi-synthetic, nonsystemic antibiotic. The chemical name for rifaximin is (2 S,16 Z,18 E,20 S,21 S,22 R,23 R,24 R,25 S,26 S,27 S,28 E)-5,6,21,23,25pentahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl2,7-(epoxypentadeca-[1,11,13]trienimino)benzofuro[4,5-e] pyrido[1,2-α]-benzimidazole-1,15(2 H)-dione,25-acetate. The empirical formula is C₄₃H₅₁N₃O₁₁ and its molecular weight is 785.9. The chemical structure is represented below:

XIFAXAN™ Tablets for oral administration are film-coated and contain 200 mg of rifaximin. Inactive ingredients are colloidal silicon dioxide, disodium edetate, glycerol palmitostearate, hypromellose, microcrystalline cellulose, propylene glycol, red iron oxide, sodium starch glycolate, talc, and titanium dioxide.