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IMPORTANT NOTE: A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.
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  • Delivery time is between 8-14 business days.
  • Express shipping may be available upon request

How much does Xifaxan cost? Do I need a coupon?

The price of Xifaxan is based on if you are buying brand name Xifaxan or generic alternative Rifaximin. You can get Xifaxan 550mg or Rifaximin in 550mg or 400mg. No Xifaxan coupon is needed to get our great prices on your IBS medication.

What is Xifaxan?

Rifaximin and the brand name Xifaxan are antibiotics that are used to fight intestinal bacterial infections. Unlike other antibiotics, Xifaxan passes into the intestines without being absorbed into the blood stream. Xifaxan can be used to treat irritable bowel syndrome (IBS) or travelers’ diarrhea caused by E. coli in adults and children older than 12. Additionally, It may be prescribed to prevent hepatic encephalopathy, which is a brain problem caused by liver disease.

Xifaxan should only be used to treat bacterial infections in the intestines and it will not treat other body parts or viral infections such as flu.

Always read the patient information and instructions carefully before using this medication.

  • Your doctor will prescribe you a Xifaxan dosage based on factors including on your medical condition, your response to treatment and the reason you are taking it. Do not change or increase your Xifaxan dosage unless advised to by a doctor.
  • Xifaxan is taken orally either with or without food.
  • When prescribed to prevent hepatic encephalopathy, this medication is usually taken twice daily.
  • If prescribed for traveler’s diarrhea, Xifaxan is usually taken every 8 hours and you should continue to take the entire prescribed amount of this medication, even if symptoms have disappeared.
  • If prescribed for IBS treatment, Xifaxan is normally taken 3 times a day for 14 days.


Make sure to tell your doctor and pharmacist:

  • If you have any drug allergies.
  • If you take any other prescription or non-prescription medications.
  • Your medical history.
  • If you are breast feeding.

Also be aware that:

  • Xifaxan can cause live bacterial vaccines including as typhoid vaccine to be less effective.
  • You should not have any immunizations or vaccinations while taking Xifaxan.
  • During pregnancy, you should only take this medication when clearly needed.

The side effects of Xifaxan

Common side effects of Xifaxan may include but are not limited to:

  • Headaches,
  • Nausea, feeling tired or dizziness.
  • Swelling of the hands or feet.
  • Abnormal liver function tests.

Contact your doctor if you experience any of the following Xifaxan side effects:

  • Severe stomach pain.
  • Bloody or watery diarrhea. Tell your doctor even if this happens months after your last dose.
  • A fluid buildup around the stomach such as rapid gain, stomach pain, bloating or breathing problems when lying down.


Q: Is Xifaxan an IBS medication?

A: Yes. One of the reasons Xifaxan may be prescribed is to treat irritable bowel syndrome (IBS).

Q: What should I do if I miss a dose of Xifaxan?

A: Take Xifaxan as soon as you remember. If it is nearly time for your next dose, skip the missed dose. Do not take a double dose to make up for a missed one.

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Sally D

March 14, 2023

Meds arrived quickly, probably because they came from Canada. In good shape.

Dwayne M

March 14, 2023


Pamela V

March 14, 2023

I am always very pleased with being able to order from Medicare will only cover half the year and then I am in the donut hole....Xarelto works very well for my A-Fib and because of you I can use all year long

Nancy M

March 14, 2023

The representatives are excellent in customer service. I have used this drug company for many years. The price of my prescription is the reason I use Canada Meds.

Carolyn W

March 14, 2023

good interaction and very helpful

Carol K

March 14, 2023

I have used Canada Med Stop for about 10 years. My orders have always been efficiently handled and approved by my doctors. Plus the cost of my prescription has been a 3rd of the cost in the US.

A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

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Our goal is to bring you the most affordable medication. If you find a lower price advertised by another website or your local pharmacy, we’ll match that price or beat it by 10% of the difference.* Call us at 1-877-202-1513 and a member of our CareTeam will be happy to assist you.

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* Some exceptions may apply
Some exceptions may apply. To qualify for price matching, competitors must meet our standards for patient safety. Advertised prices must be for medication of the same type, strength, quantity, and form.