Generic Xifaxan


Manufacturer: Salix Pharmaceuticals, Inc

Xifaxan is an effective medication used in the treatment of diarrhea caused by the common bacteria known as E. coli or traveler’s diarrhea. It has an active ingredient Rifaximin, which is an antibiotic. This medicine is manufactured by the leading pharmaceutical company, Salix Pharmaceuticals, Inc. This medication is made available in a conventional tablet form in dosages like 200 mg and 550 mg.

SKU: Salix Pharma Xifaxan Categories: ,

Available Options

Generic Xifaxan - 200mg

Pack SizePrice/unitPriceQtyAdd to cart
90 pills $0.34$30.60
120 pills $0.33$39.58
180 pills $0.32$56.92
240 pills $0.30$72.62
300 pills $0.29$85.68

Generic Xifaxan - 550mg

Pack SizePrice/unitPriceQtyAdd to cart
90 pills $0.34$30.60
120 pills $0.26$30.60
180 pills $0.17$30.60
240 pills $0.13$30.60
300 pills $0.10$30.60


Active Ingredient

Rifaximin is a non-systemic antibiotic derived from rifamycin SV with antibacterial activity. This antibiotic binds to the beta-subunit of bacterial DNA-dependent RNA polymerase, inhibiting bacterial RNA synthesis and bacterial cell growth. This drug is not well absorbed, its antibacterial activity is largely localized to the gastrointestinal tract. This medication is a nonabsorbable antibiotic that is indicated as treatment and prevention of travelers’ diarrhea. It is used for the prevention of hepatic encephalopathy in people with advanced liver disease and to treat diarrhea in people with irritable bowel syndrome.


This mentioned medication is approved for the treatment of diarrhea induced by the common bacteria known as E. coli also called traveler’s diarrhea. Xifaxan is not recommended to treat fever or bloody diarrhea. It is an antibiotic that only treats bacterial infections. It is not effective for the treatment of the common cold, or flu.

It is also indicated to treat irritable bowel syndrome with diarrhea. It prevents a brain problem caused by liver disease that helps to think more clearly.

Action Mechanism

This medicine is active against Escherichia coli bacterial strains that induce traveler’s diarrhea. Xifaxan acts by preventing the growth of the bacteria by preventing them from manufacturing proteins responsible for their replication and survival. This suppresses the growth of the bacteria, and this drug reduces symptoms of traveler’s diarrhea. Hepatic encephalopathy is a serious neurologic complication of liver disease that affects the brain. It prevents and treats hepatic encephalopathy by decreasing the intestinal bacteria that produce ammonia.


Given antibiotic medicine is available in dosage as mentioned below:

  • 200 mg: It should be taken 3 times a day for 3 days with or without food as directed by the doctor
  • 550 mg: It is to be consumed 3 times a day for 3 days as advised by the doctor


Medical history of severe liver disease, diarrhea with fever, or diarrhea that is watery or has blood in it before taking this medication.

Additional information


200mg, 550mg


90 pills, 120 pills, 180 pills, 240 pills, 300 pills


$0.34, $0.33, $0.32, $0.30, $0.29


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