Rivaroxaban Is a Prescription Blood Thinner Used to Prevent Strokes and Treat Blood Clots

Rivaroxaban (brand name Xarelto) is a prescription blood thinner that belongs to a class of drugs called direct oral anticoagulants (DOACs). It works by blocking Factor Xa, a key protein in the blood-clotting process, to reduce the formation of dangerous blood clots.

First approved by the FDA in 2011, Rivaroxaban is now one of the most widely prescribed anticoagulants in the United States. Here's everything you need to know about it in 2026.

What Is Rivaroxaban?

Rivaroxaban is the generic name for the medication sold under the brand name Xarelto. Here are the basics:

• Brand names: Xarelto, Xarelto Starter Pack
• Drug class: Factor Xa inhibitor (Direct Oral Anticoagulant / DOAC)
• Manufacturer: Janssen Pharmaceuticals (Johnson & Johnson) and Bayer
• FDA approval: July 2011 (with additional indications approved in subsequent years)
• Controlled substance: No — Rivaroxaban is not a controlled substance
• Available forms: Oral tablets (2.5 mg, 10 mg, 15 mg, 20 mg), oral suspension (1 mg/mL), and the Xarelto Starter Pack

Rivaroxaban is sometimes called a "new generation" blood thinner because it replaced older medications like Warfarin (Coumadin) for many patients. Unlike Warfarin, Rivaroxaban doesn't require regular blood monitoring or strict dietary restrictions.

What Is Rivaroxaban Used For?

Rivaroxaban has 10 FDA-approved uses, making it one of the most versatile anticoagulants available:

1. Preventing stroke in atrial fibrillation (AFib) — Reduces the risk of stroke and systemic embolism in people with nonvalvular AFib
2. Treating deep vein thrombosis (DVT) — Blood clots that form in deep veins, usually in the legs
3. Treating pulmonary embolism (PE) — Blood clots that travel to the lungs
4. Preventing recurrent DVT and PE — Long-term prevention after initial treatment
5. Preventing blood clots after hip replacement surgery
6. Preventing blood clots after knee replacement surgery
7. Preventing blood clots in hospitalized patients — For acutely ill medical patients at risk of VTE
8. Reducing cardiovascular risk in CAD — Used with low-dose Aspirin in coronary artery disease
9. Reducing cardiovascular risk in PAD — Used with low-dose Aspirin in peripheral artery disease
10. Treating blood clots in children — FDA-approved for pediatric VTE treatment and post-Fontan thromboprophylaxis

How Is Rivaroxaban Taken?

Rivaroxaban dosing depends on what condition it's treating. Here are the most common dosing regimens:

For Atrial Fibrillation

• Standard dose: 20 mg once daily with the evening meal
• Reduced kidney function: 15 mg once daily with the evening meal (for CrCl 15–50 mL/min)

For DVT or PE Treatment

• First 21 days: 15 mg twice daily with food
• After 21 days: 20 mg once daily with food
• The Xarelto Starter Pack contains both strengths to make the transition easy

For DVT/PE Prevention (Long-Term)

• 10 mg once daily (with or without food) after at least 6 months of initial treatment

For Hip or Knee Replacement Surgery

• 10 mg once daily for 12 days (knee) or 35 days (hip) after surgery

For CAD/PAD (With Aspirin)

• 2.5 mg twice daily (taken with low-dose Aspirin)

Important Dosing Rules

• The 15 mg and 20 mg tablets MUST be taken with food — without food, your body doesn't absorb enough of the medication
• If you can't swallow tablets, they can be crushed and mixed with applesauce — eat immediately and follow with food for the 15 mg and 20 mg doses
• Take it at the same time every day
• If you miss a dose, take it as soon as you remember (for twice-daily dosing, take the missed dose immediately to ensure 30 mg that day)

Who Should Not Take Rivaroxaban?

Rivaroxaban is not safe for everyone. You should not take it if you have:

• Active bleeding — Any current pathological bleeding (GI bleeding, internal bleeding, etc.)
• Severe allergy to Rivaroxaban or any ingredients in Xarelto
• Mechanical heart valves — Rivaroxaban has not been studied in this population and is not recommended
• Triple-positive antiphospholipid syndrome — May increase thrombotic risk

Use with caution if you have:

• Reduced kidney function (dose adjustment may be needed)
• Moderate to severe liver disease
• Are pregnant or breastfeeding
• Take other medications that increase bleeding risk (see our drug interactions guide)

How Much Does Rivaroxaban Cost?

Cost is a major concern for many patients. Here's the pricing landscape in 2026:

Without Insurance

• Brand-name Xarelto: $500–$650 per month (30 tablets)
• Generic Rivaroxaban 2.5 mg: As low as $45–$48 per month with discount coupons
• Generic 10 mg, 15 mg, 20 mg: Not yet available — these strengths are still brand-only

With Insurance

• Most commercial plans cover Xarelto, though some require prior authorization or step therapy (trying Warfarin first)
• Medicare Part D: Rivaroxaban is one of the first 10 drugs selected for price negotiation. The negotiated price is approximately $197 per month starting in 2026. The new $2,000 annual out-of-pocket cap also applies.

Savings Programs

• Xarelto withMe Savings Card: Commercially insured patients may pay as little as $10 for a 90-day supply (up to $3,400 annual benefit)
• Janssen CarePath: Patient assistance for uninsured or underinsured patients
• Johnson & Johnson Patient Assistance Foundation: Free medication for qualifying patients

For a complete cost breakdown and savings strategies, read: How to Save Money on Rivaroxaban.

How Does Rivaroxaban Compare to Other Blood Thinners?

Rivaroxaban is one of several anticoagulant options available. Here's a quick comparison:

• Apixaban (Eliquis): Another Factor Xa inhibitor taken twice daily. Often preferred for its lower bleeding risk profile. Generic available for some strengths.
• Dabigatran (Pradaxa): A direct thrombin inhibitor taken twice daily. Has a specific reversal agent. May cause more GI side effects. Generic available.
• Edoxaban (Savaysa): Factor Xa inhibitor taken once daily. Less commonly prescribed. Requires initial parenteral anticoagulation for DVT/PE.
• Warfarin (Coumadin): Traditional blood thinner. Very inexpensive but requires regular INR blood monitoring and dietary restrictions.

For more detail, see: Alternatives to Rivaroxaban.

Final Thoughts

Rivaroxaban is a proven, effective blood thinner that has simplified anticoagulation therapy for millions of patients. It's FDA-approved for a wide range of conditions — from atrial fibrillation to DVT treatment to cardiovascular risk reduction.

The key things to remember: take the 15 mg and 20 mg doses with food, never stop without your doctor's guidance, and be aware of the side effects and drug interactions. With the new Medicare negotiated prices and manufacturer savings programs, 2026 is actually a better year than most to be taking Rivaroxaban.

Need help finding Rivaroxaban at a pharmacy near you? Medfinder can help you locate it in stock and compare prices.