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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.
Difference between Brand & Generic?

Why Does Xifaxan Cost so Much?

Anyone who has paid for a Xifaxan prescription in the USA is well aware of the high cost that's associated with the drug. This is partially due to the patent the manufacturer holds in the USA, and partially due to the lack of government price controls. Thankfully, we have the solution.

What is Xifaxan?

Xifaxan is the brand name of a medication called rifaximin. This medication is an antibiotic that fights bacterial infections in the intestines. Rifaximin is unique from other antibiotics in the fact that it passes through the stomach and into the intestine without absorption into the blood stream. Because of this fact, Xifaxan will only treat infections in the intestinal tract, and not in other parts of the body. If prescribed for IBS, your doctor may prescribe this medication to you along with a diet for IBS.

Xifaxan Uses

Xifaxan is used to treat varying conditions, but is most frequently used to treat travellers diarrhea caused by E. coli and IBS (irritable bowel syndrome) in adults where diarrhea as the main symptom. It may also be used for purposes not listed in this guide.

Buy Xifaxan 550mg Online

Why wait in long lines and pay high prices when you can pay less and have your medications delivered? When you buy Xifaxan from a Canadian pharmacy online, you get to pay up to 90% less and have your medications shipped straight to your front door. 

Take Xifaxan, along with any other prescribed medications, in the exact manner that your doctor has prescribed it to you. Always follow your doctor's instructions and read any prescription handout or information leaflets that are given to you. 

Xifaxan can be taken with or without food

When prescribed for traveller's diarrhea rifaximin is often only prescribed for a few days, whereas when prescribed for IBS it often recommended to be taken in 2 week periods.

Take Xifaxan for the full length that your doctor prescribes it to you, even if you start feeling better before the treatment is finished. Do not take larger or smaller doses than your doctor has prescribed. Skipping doses or taking smaller doses can increase the risk of the infection becoming antibiotic resistant.

If your symptoms get worse or do not improve within 24-48 hours after starting treatment, contact your doctor 


Do not take Xifaxan if you are allergic to rifaximin, or any non-active ingredients. Talk to your doctor and pharmacist about any possible allergy concerns prior to taking the medication.

Before taking Xifaxan, tell your doctor if you currently have:

  • fever
  • diarrhea
  • severe liver disease
  • bloody or watery diarrhea

Xifaxan is not approved for anyone younger than 12 years old.

Talk to your doctor before taking rifaximin if you are pregnant or breastfeeding.

Seek emergency medical attention if you experience severe or unusual side effects, such as:

  • a buildup of fluid around the stomach
  • fever
  • rapid weight gain
  • bloating and stomach pain
  • severe stomach pain
  • watery or bloody diarrhea
  • symptoms of an allergic reaction such as hives, swelling, or trouble breathing

Xifaxan side effects

More common rifaximin side effects may include the following:

  • Black or tarry stools
  • lightheadedness
  • dizziness
  • muscle spasms
  • shortness of breath or rapid breathing
  • trouble sleeping

Less Common Xifaxan side effects may include:

  • blood in urine
  • bleeding nose
  • chest pains
  • constant ringing, buzzing or other abnormal noise in the ears
  • a feeling of constant movement of surroundings or self
  • elevated heart rate
  • a spinning sensation
  • a sunken appearance of the eyes
  • ulcers, white spots, or sores in the mouth
  • abnormal bleeding or bruising
  • abnormal weakness or tiredness
  • fainting

This is not a complete list of all possible side effects. If you are experiencing ongoing bothersome side effects, or severe side effects, contact your doctor or emergency services if required. For more information on possible side effects, contact your doctor.


What are Xifaxan side effects?

Some common Xifaxan side effects may include the following:

  • nausea
  • headache
  • tiredness
  • dizziness
  • swelling of the hands or feet
  • abnormal liver function tests


Do you carry a Xifaxan generic?

Yes, rifaximin is in stock and available from our approved fulfillment centers at a much lower price than the brand name.


Do Xifaxan and alcohol interact?

All medications have the potential to interact with other drugs, vitamins, supplements, tobacco, or alcohol. Talk to your doctor about any possible interactions before drinking while taking rifaximin.


Is there a cheaper alternative to Xifaxan?

Generic Xifaxan, also known as rifaximin, is considerably cheaper when ordered though a Canadian pharmacy.

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.

Your Lowest Price, Guaranteed

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 1-877-385-5040 and a member of our CareTeam will be happy to assist you.

Call 1-877-385-5040
* 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.

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