Buy Xifaxan Online

(Rifaximin)

Let's fill your order for Xifaxan!
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Brand Name

Xifaxanta 200mg Tablet

Prescription required. Can not be split. Product of UK/EU. Shipped from United Kingdom. Xifaxan is also marketed internationally under the name Xifaxanta.

$62.85 9 tablets ($6.98/ea)
$387.92 63 tablets ($6.16/ea)
$690.18 126 tablets ($5.48/ea)
$985.97 180 tablets ($5.48/ea)

Generic equivalent for Xifaxan

Sorry, we currently do not carry a generic option for this item.

What are generics?

Brand Name

Xifaxan 550mg Tablet

Prescription required. Can not be split. Product of Australia. Shipped from Australia.

$919.74 56 tablets ($16.42/ea)
$1,839.48 112 tablets ($16.42/ea)
$2,759.22 168 tablets ($16.42/ea)

Generic equivalent for Xifaxan

Rifaximin 550mg Tablet

Prescription required. Can not be split. Product of UK/EU. Shipped from United Kingdom.

$947.67 56 tablets ($16.92/ea)
$1,850.50 112 tablets ($16.52/ea)
$2,753.34 168 tablets ($16.39/ea)

What are generics?

Introduction

Xifaxan is a non-absorbed antibiotic that works locally in the intestines to manage bacterial growth and treat infections without entering the bloodstream. It is commonly prescribed for:

Because Xifaxan remains confined to the gut, it is highly targeted and does not treat systemic infections.

Primary Indications

  • Traveler’s Diarrhea: Treats non-invasive E. coli-induced diarrhea in adults and children age 12 and older.

  • IBS-D (Irritable Bowel Syndrome with Diarrhea): FDA-approved for short-term treatment in adults.

  • Hepatic Encephalopathy: Reduces the recurrence risk of overt hepatic encephalopathy in adults with advanced liver disease.


To comply with Canadian International Pharmacy Association regulations you are permitted to order a 3-month supply or the closest package size available based on your personal prescription. read more

Why Prescribed

Xifaxan is prescribed for gastrointestinal and liver-related conditions where bacterial toxins or overgrowth contribute to symptoms. It helps to:

  • Eliminate harmful intestinal bacteria

  • Improve cognitive symptoms in liver disease

  • Reduce diarrhea in IBS and travel-related infections

Because it’s poorly absorbed, Xifaxan minimizes systemic side effects, making it an effective option for patients needing localized gut treatment.

How to Use

Dosage and Administration

General dosage recommendations:

  • Traveler’s Diarrhea: 200 mg 3× daily for 3 days

  • IBS-D: 550 mg 3× daily for 14 days (can repeat up to 2 more times if symptoms recur)

  • Hepatic Encephalopathy: 550 mg 2× daily, often with lactulose

  • Can be taken with or without food

  • Follow the full prescribed duration even if symptoms improve early

Individual recommendations may vary based on need. Always consult your healthcare provider if you have questions about your dose. 

Missed Dose

Take as soon as remembered unless close to the next dose. Do not double up.

Overdose

Symptoms are unlikely due to low systemic absorption. Call 1-800-222-1222 in the US or 1-844-764-7669 in Canada, or seek emergency care.

Side Effects

Common Side Effects

Many symptoms reported by patients using Xifaxan can also be attributed to the conditions being managed. If any symptoms persist or worsen during treatment, contact your healthcare provider. 

  • Nausea

  • Dizziness

  • Swelling of hands or feet

  • Fatigue

  • Abnormal liver tests

  • Anemia

  • Skin rash

Serious Side Effects (Seek Medical Help)

  • Allergic reaction (rash, swelling, difficulty breathing)

  • Bloody or watery diarrhea (may indicate Clostridium difficile or another infection)

  • Severe stomach pain or bloating

  • Sudden fluid retention around the abdomen (in liver disease patients)

Warnings and Precautions

Do NOT take Xifaxan if you:

  • Are allergic to rifaximin or other rifamycin antibiotics (e.g., rifampin, rifapentine)

  • Have diarrhea with blood in stool

Use With Caution If You Have:

  • Severe liver disease

  • Recurring diarrhea not caused by E. coli

Pregnancy and Breastfeeding

Limited data available. Discuss risks and benefits with your provider if pregnant or nursing.

Storage

  • Store at room temperature (68–77°F / 20–25°C)

  • Keep away from moisture and heat

  • Store in the original bottle with the lid closed

  • Keep out of reach of children and pets

Drug Interactions

  • Avoid anti-diarrheal medications if experiencing bloody or watery stools

  • Xifaxan has minimal drug interactions due to low absorption, but always disclose all medications to your provider

Rifaximin Information

Rifaximin



(ri fax' I men)

Xifaxan®

Rifaximin 200-mg tablets are used to treat traveler's diarrhea caused by certain bacteria in adults and children at least 12 years of age. Rifaximin 550-mg tablets are used to prevent episodes of hepatic encephalopathy (changes in thinking, behavior, and personality caused by a build-up of toxins in the brain in people who have liver disease) in adults who have liver disease and to treat irritable bowel syndrome (with diarrhea) in adults. Rifaximin is in a class of medications called antibiotics. Rifaximin treats traveler's diarrhea and irritable bowel syndrome by stopping the growth of the bacteria that cause diarrhea. Rifaximin treats hepatic encephalopathy by stopping the growth of bacteria that produce toxins and that may worsen liver disease. Rifaximin will not work to treat traveler's diarrhea that is bloody or occurs with fever.
Antibiotics such as rifaximin will not work for colds, flu, or other viral infections. Taking antibiotics when they are not needed increases your risk of getting an infection later that resists antibiotic treatment.

Rifaximin comes as a tablet to take by mouth with or without food. When rifaximin is used to treat traveler's diarrhea, it is usually taken three times a day for 3 days. When rifaximin is used to prevent episodes of hepatic encephalopathy, it is usually taken twice a day. When rifaximin is used to treat irritable bowel syndrome, it is usually taken three times a day for 14 days. To help you remember to take rifaximin, take it around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take rifaximin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
If you are taking rifaximin to treat traveler's diarrhea, your symptoms should improve within 24 to 48 hours after you start taking the medication. If your symptoms do not go away or they get worse, or if you develop a fever or bloody diarrhea, call your doctor.
If you are taking rifamaxin to treat irritable bowel syndrome and your symptoms return after you have finished your treatment, call your doctor.
Take rifaximin as directed, even if you feel better. If you are taking rifaximin to treat traveler's diarrhea or irritable bowel syndrome and you stop taking it too soon or if you skip doses, your infection may not be completely cured and the bacteria may become resistant to antibiotics. If you are taking rifaximin to prevent hepatic encephalopathy, do not stop taking it without talking to your doctor as you may experience symptoms of encephalopathy.

Before taking rifaximin,

tell your doctor and pharmacist if you are allergic to rifaximin, rifabutin (Mycobutin), rifampin (Rifadin, Rifamate, Rifater, Rimactane), rifapentine (Priftin), any other medications, or any of the ingredients in rifaximin capsules. Ask your doctor or pharmacist for a list of the ingredients.

tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or have recently taken. Be sure to mention cyclosporine (Gengraf, Neoral, Restasis, Sandimmune) or other antibiotics. Your doctor may have to change the doses of your medications, monitor you carefully for side effects or treat your diarrhea differently.

tell your doctor if you have or have ever had liver disease.

tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking rifaximin, call your doctor.

Unless your doctor tells you otherwise, continue your normal diet.

Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.

Rifaximin may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:



nausea

stomach pain

dizziness

excessive tiredness

headache

muscle tightening

joint pain

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:



watery or bloody diarrhea that may occur along with stomach cramps and fever during your treatment or for 2 months afterward

hives

rash

itching

difficulty breathing or swallowing

swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs

hoarseness
Rifaximin may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them.  However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community.  See the FDA's Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.
It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach. http://www.upandaway.org

Keep all appointments with your doctor.
Do not let anyone else take your medication. Ask your pharmacist if you have any questions about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

The content on this page is for informational and educational purposes only and does not constitute professional medical advice. Patients should not use the information presented on this page for diagnosing a health-related issue or disease. Before taking any medication or supplements, patients should always consult a physician or qualified healthcare professional for medical advice or information about whether a drug is safe, appropriate or effective.