Rifaximin Cost: From $1350 — Compare 500+ Pharmacies
How much does Rifaximin cost?
Rifaximin costs from $1350/month at verified pharmacies on Script Unlock — up to 25% less than the retail price of $1800. No insurance card, no discount coupon, and no membership needed. Cash pay through Script Unlock's competitive bidding marketplace typically beats GoodRx and SingleCare on chronic medications.
- Retail price: $1800/month at chain pharmacies
- Script Unlock cash price: from $1350/month (25% off)
- No insurance card, no discount coupon, no membership required
Compare verified pharmacy prices for Rifaximin and save up to 25% vs retail. Pharmacies compete for your prescription.
About Rifaximin
Rifaximin is a gut-selective antibiotic.
Rifaximin inhibits bacterial RNA synthesis locally.
Rifaximin Prices by State
Why Script Unlock?
- Pharmacies compete in real time — you get the lowest price, not a pre-set coupon
- No insurance required — cash-pay prices verified directly with pharmacies
- Compounding pharmacy options available for eligible medications
What is Rifaximin used for?
Rifaximin is commonly prescribed for IBS-D, Hepatic Encephalopathy, Travelers Diarrhea. Your prescriber chooses Rifaximin based on guidelines, your medical history, and how you've responded to other treatments.
- •IBS-D
- •Hepatic Encephalopathy
- •Travelers Diarrhea
How does Rifaximin work?
Rifaximin inhibits bacterial RNA synthesis locally.
This is a general mechanism summary. Specific effects depend on your dose, frequency, and individual factors — confirm details with your pharmacist.
5 questions to ask before starting Rifaximin
- 1.What should I expect in the first 1–2 weeks on Rifaximin?
- 2.Are there generic versions of Rifaximin I should ask about?
- 3.What side effects warrant calling you vs the pharmacist?
- 4.Do any of my current medications, supplements, or foods interact with Rifaximin?
- 5.If Rifaximin doesn't work or I can't tolerate it, what's the next option?
Rifaximin brand names and generic
Rifaximin is sold under these brand names: Xifaxan. The generic version contains the same active ingredient (Rifaximin) and meets the same FDA standards but typically costs 70–90% less than the brand.
Available Rifaximin strengths
Your prescriber selects the strength most appropriate for your case. See the Rifaximin dosage guide for more on dosing.
Find the lowest Rifaximin cash price
Upload your Rifaximin prescription and verified pharmacies bid for your fill. 100% free for patients. No insurance, no membership, no sign-up.
Free for patients. No insurance, no membership, no sign-up required.
Rifaximin: Frequently Asked Questions
What is Rifaximin used for?
Rifaximin is a prescription medication used to treat various conditions. Consult your healthcare provider for guidance on whether Rifaximin is appropriate for you and what dosage you require.
How can I save money on Rifaximin?
The most reliable way to save on Rifaximin is to compare cash prices across multiple pharmacies before filling. ScriptUnlock surfaces the lowest cash price among participating pharmacies, often well below the retail price.
Does Rifaximin have a generic version?
Many medications have generic equivalents that work the same way as the brand-name version but cost significantly less. Check whether a generic version of Rifaximin is available — your prescriber or pharmacist can confirm.
Can I get Rifaximin without insurance?
Yes. Rifaximin is available as a cash-pay prescription at most pharmacies regardless of insurance status. ScriptUnlock compares cash prices so uninsured patients pay the lowest available price.
Where can I find the cheapest Rifaximin near me?
Cash prices for Rifaximin can vary significantly between pharmacies in the same area. ScriptUnlock compares participating local pharmacies in real time so you pay the lowest available price.