edoxaban
Brand names: Savaysa
Savaysa is a medicine that helps to prevent blood clots. It is used to lower the chance of stroke in people with an irregular heartbeat (atrial fibrillation) and to treat blood clots in the legs or lungs.
Drug Pricing (NADAC)
Brand Price
$13.95/unit
Generic Available
No
DAIICHI SANKYO INC
Pricing data from NADAC (CMS), effective December 18, 2024. Compare all drug costs →
What it does
Savaysa is used to lower the risk of stroke and blood clots in people with nonvalvular atrial fibrillation, a type of irregular heartbeat.
Common side effects
Bleeding, Anemia (low red blood cells), Rash
Key warnings
Savaysa may not work as well to prevent strokes if you have atrial fibrillation and your kidneys are working very well (CrCl > 95 mL/min).
How It Works
Savaysa is a factor Xa inhibitor. This means it blocks a substance in your blood called factor Xa. By blocking factor Xa, Savaysa helps to prevent blood from clotting.
How to Take It
Take Savaysa once a day. The usual dose is 60 mg, but your doctor may prescribe 30 mg depending on your kidney function, weight, or other medicines you take. You can take Savaysa with or without food. If you miss a dose, take it as soon as you remember on the same day. Take your next dose at the usual time the next day. Do not double your dose.
Pregnancy & Breastfeeding
Tell your doctor if you are pregnant or plan to become pregnant. Savaysa may increase the risk of bleeding in the fetus. Do not breastfeed while taking Savaysa.
Missed Dose
If you miss a dose, take it as soon as you remember on the same day. Take your next dose at the usual time the next day. Do not double your dose.
Storage
Store Savaysa at room temperature, away from heat and moisture, and keep out of reach of children.
Serious Warnings
Savaysa may not work as well to prevent strokes if you have atrial fibrillation and your kidneys are working very well (CrCl > 95 mL/min). If you stop taking Savaysa too soon, you have a higher risk of blood clots or stroke. If you get medicine injected into your spine while taking Savaysa, it could cause bleeding around your spine, which can lead to paralysis.
Known Drug Interactions
( 7.1 ) Rifampin: Avoid concomitant use ( 7.2 ) 7.1 Anticoagulants, Antiplatelets, Thrombolytics, and SSRIs/SNRIs Co-administration of anticoagulants, antiplatelet drugs, thrombolytics and SSRIs or SNRIs may increase the risk of bleeding. 7.2 P-gp Inducers Avoid the concomitant use of SAVAYSA with rifampin [see Clinical Pharmacology (12.3) ] .
Mechanism: Rifampin causes your body to clear the blood thinner too quickly, which could make the medicine fail to prevent blood clots.
What to do: You should avoid taking these two medications at the same time.
7 DRUG INTERACTIONS Anticoagulants, Antiplatelets, Thrombolytics, and Selective Serotonin Reuptake Inhibitors (SSRIs)/Serotonin Norepinephrine Reuptake Inhibitors (SNRIs): Avoid concomitant use due to increased risk of bleeding.
Mechanism: Taking these medicines together can increase your risk of serious bleeding.
What to do: Avoid using these drugs at the same time to prevent dangerous bleeding.
Promptly evaluate any signs or symptoms of blood loss if patients are treated concomitantly with anticoagulants, aspirin, other platelet aggregation inhibitors, and/or NSAIDs [see Warnings and Precautions (5.3) ] . In clinical studies with SAVAYSA concomitant use of aspirin (low dose ≤ 100 mg/day) or thienopyridines, and NSAIDs was permitted and resulted in increased rates of Clinically Relevant Bleeding. Carefully monitor for bleeding in patients who require chronic treatment with low dose aspirin and/or NSAIDs [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3) ] .
Mechanism: Both drugs affect how your blood clots, which can lead to more bleeding when used together.
What to do: Watch for any signs of bleeding and tell your doctor immediately if you notice anything unusual.
Concomitant use of carbamazepine with rivaroxaban, apixaban, dabigatran, and edoxaban (direct acting oral anticoagulants) is expected to result in decreased plasma concentration of these anticoagulants that may be insufficient to achieve the intended therapeutic effect. In general, coadministration of carbamazepine with rivaroxaban, apixaban, dabigatran, and edoxaban should be avoided.
Mechanism: Carbamazepine speeds up how your body clears edoxaban, which can make the blood thinner less effective.
What to do: This combination should generally be avoided to ensure your medicine works to prevent blood clots.
dabigatran etexilate edoxaban ↑ dabigatran ↑ edoxaban Refer to the dabigatran etexilate or edoxaban prescribing information for recommendations regarding co-administration. The specific recommendations are based on indication, renal function, and effect of the co-administered P-gp inhibitors on the concentration of dabigatran or edoxaban. Clinical monitoring is recommended when a DOAC not affected by CYP3A4 but transported by P-gp, including dabigatran etexilate and edoxaban, is co-administered with darunavir /ritonavir.
Mechanism: Darunavir stops a specific protein from moving edoxaban out of the body, which can increase the amount of medicine in your blood.
What to do: Your doctor should monitor you carefully and check your kidney health to ensure the dose is safe for you.
Common Questions
What should I do if I'm bleeding?
Can Savaysa be reversed if I need emergency surgery?
Can I take aspirin or other pain relievers with Savaysa?
Will Savaysa interact with other medications I am taking?
How often will I need blood tests while taking Savaysa?
What if I need to have a surgery or dental procedure?
Can I drink alcohol while taking Savaysa?
What if I have kidney problems?
What if I have liver problems?
Are there any foods I should avoid while taking Savaysa?
What are the common side effects of edoxaban?
Does edoxaban interact with other medications?
What drug class is edoxaban?
Is edoxaban safe during pregnancy?
Related Medications in Direct Oral Anticoagulant (Factor Xa Inhibitor)
Other drugs grouped near edoxaban — same-class peers and common alternatives.
apixaban
Eliquis
Apixaban (Eliquis) is a medicine that helps prevent blood clots.
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aspirin
Bayer, Ecotrin
Aspirin is a common medicine used to relieve minor pain.
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cilostazol
Pletal
Cilostazol is a medicine that helps improve walking distance in people with leg pain due to poor circulation.
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clopidogrel
Plavix
Clopidogrel is a drug that helps to prevent blood clots.
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dabigatran
Pradaxa
Dabigatran (Pradaxa) is a drug that helps to prevent blood clots from forming.
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Medication Guides
Understanding Drug Interactions
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FDA requirements, cost savings, and when the difference matters
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Common Drug Interactions
Dangerous medication combinations and how to protect yourself
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What the FDA Data Shows for edoxaban
The FDA label for edoxaban (sold under brand names such as Savaysa) classifies it as a prescription-only medication in the Direct Oral Anticoagulant (Factor Xa Inhibitor) class. Savaysa is used to lower the risk of stroke and blood clots in people with nonvalvular atrial fibrillation, a type of irregular heartbeat. Official labeling lists 4 commonly reported side effects, including Bleeding, Anemia (low red blood cells), Rash.
Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. The database also lists 5 documented drug interactions derived from FDA labeling, with the top-flagged interaction rated moderate severity. NADAC pricing from CMS.
Report counts do not establish causation — a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information further shape supply and switching decisions. This page summarizes public FDA data for educational purposes only and is not a substitute for professional medical advice — always consult a licensed healthcare provider before starting, stopping, or changing any medication.
Data Sources
Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS). Pricing: CMS National Average Drug Acquisition Cost (NADAC).
FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. Always consult a healthcare professional before making medication decisions.
Last updated: July 10, 2025
Read our methodology — how this data is sourced, computed, and verified.
All federal data sources used on this page
- FDA Orange Book — approved drug products with therapeutic equivalence. accessdata.fda.gov/cder/ob
- FDA DailyMed — NIH-hosted drug labeling for FDA-approved meds. dailymed.nlm.nih.gov
- FDA Adverse Event Reporting System (FAERS) — post-marketing safety surveillance. fda.gov/drugs/faers
- NLM RxNorm — standardized clinical drug nomenclature. nlm.nih.gov/research/umls/rxnorm
- CMS Medicare Part B Drug Average Sales Price Files — federal drug pricing data. cms.gov/medicare/part-b-drugs/asp
- FDA Drug Shortages Database — current and resolved drug shortage tracking. accessdata.fda.gov/drugshortages