What is Xifaxan: Uses, Warnings & Interactions

Updated Jan. 13, 2021  •  Published Dec. 31, 2020

Xifaxan overview

BRAND NAMES:

  • Xifaxan

Generic Names:

  • Xifaxan

Uses:

  • Treats traveler's diarrhea and irritable bowel syndrome with diarrhea. Also helps prevent recurrence of certain liver problems.

Therapeutic Classes:

  • Antibiotic

Forms:

  • Tablet

How it’s taken:

  • By mouth

What form(s) does Xifaxan come in

  • Tablet

What are common Xifaxan doses?

  • Tablet 200MG

  • Tablet 550MG

Common Xifaxan prescriptions

  • Xifaxan
    42 tablets box

  • Xifaxan
    200mg tablet

  • Xifaxan
    550mg tablet

How to take Xifaxan

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Xifaxan contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to rifaximin or similar medicines.

Xifaxan warnings

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have liver disease.

  • This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.

Xifaxan interactions

  • Some medicines can affect how rifaximin works. Tell your doctor if you are using cyclosporine.

  • This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Xifaxan side effects

Serious Side Effects

  • Unusual bleeding, bruising, or weakness

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blood in your stools, fever, or worsening of diarrhea

Less Serious Side Effects

  • Rapid weight gain, swelling of the hands, ankles, or feet

  • Dizziness