Duloxetine and Apixaban: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Aug 8, 2026 · Source data updated Jul 11, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Duloxetine
No brand names on recordApixaban
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
You're taking apixaban (Eliquis), a blood thinner, along with duloxetine, an antidepressant. Both of these can make it a little harder for your blood to clot. When taken together, they can add up and raise your chance of bleeding.
This concern is mostly theoretical, meaning it's based on how the drugs work rather than lots of proven cases, but it's worth taking seriously. Watch for warning signs like unusual bruising, nosebleeds that won't stop, pink or red urine, black stools, or bleeding that won't quit. If you notice heavy or unexpected bleeding, get help right away. The good news: your care team can manage this safely, so please don't stop either medicine on your own.
Effect: Additive risk of bleeding when the SNRI duloxetine is combined with the factor Xa inhibitor apixaban.
Mechanism: Pharmacodynamic, not pharmacokinetic. Apixaban inhibits factor Xa; SNRIs impair platelet serotonin-mediated aggregation. Neither is a prodrug in a way that alters direction. Combined effect on hemostasis increases bleeding risk.
Evidence: Theoretical. Severity: major. Onset: unspecified.
- Counsel on signs/symptoms of bleeding; report immediately.
- Discontinue apixaban with active pathological hemorrhage; anticoagulant persists ~24h post-dose.
- Reversal: specific anti-FXa reversal agent, or consider PCC/aPCC/recombinant factor VIIa. Routine PT/INR/aPTT/anti-FXa monitoring not useful when PCC used.
What happens
An increased risk of bleeding and can cause serious, potentially fatal bleeding
Interaction Deep Dive
Using apixaban, an inhibitor of factor Xa, together with agents that likewise interfere with hemostasis, for example an SNRI, may raise bleeding risk. If active pathological bleeding develops, apixaban should be stopped. There is an agent that can reverse the anti-factor Xa activity of apixaban. The pharmacodynamic effect of apixaban is anticipated to last for a minimum of 24 hours following the final dose. Patients should be counseled about the signs and symptoms of blood loss and instructed to report them without delay or to seek an emergency room. In the presence of active pathological hemorrhage, apixaban should be discontinued. An agent capable of reversing apixaban's anti-factor Xa activity is available. The pharmacodynamic effect of apixaban can be expected to remain for at least 24 hours after the last dose. Options that may be considered include prothrombin complex concentrate (PCC), activated prothrombin complex concentrate, or recombinant factor VIIa. If PCCs are administered, tracking apixaban's anticoagulant effect through a clotting assay (PT, INR, or aPTT) or anti-factor Xa (FXa) activity offers no benefit and is not advised. Absorption of apixaban is diminished by activated oral charcoal, which consequently reduces apixaban plasma concentration1.
Why it happens (mechanism)
Additive effects on hemostasis
How to manage this interaction
Both medicines can affect clotting, so the main task is staying alert for bleeding while your care team keeps you on both as prescribed.
- Keep taking both exactly as directed unless your prescriber tells you otherwise.
- Learn the warning signs: unusual bruising, nosebleeds, bleeding gums, pink/red urine, black or bloody stools, coughing or vomiting blood, or a bad headache after a fall.
- Report bleeding right away or go to the emergency room for anything heavy or that won't stop.
- Your team may watch you more closely, and can stop apixaban and use a reversal agent if serious bleeding occurs.
Ask your pharmacist before adding aspirin, NSAIDs, or other blood thinners.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Duloxetine and Apixaban together?
Taking duloxetine with apixaban can add up to raise your bleeding risk, so keep both as prescribed but watch closely for any unusual bleeding and report it right away. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Duloxetine and Apixaban interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How is the Duloxetine and Apixaban interaction managed?
Both medicines can affect clotting, so the main task is staying alert for bleeding while your care team keeps you on both as prescribed. Keep taking both exactly as directed unless your prescriber tells you otherwise. Learn the warning signs: unusual bruising, nosebleeds, bleeding gums, pink/red urine, black or bloody stools, coughing or vomiting blood, or a bad headache after a fall. Report bleed… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
From our Q&A
Real reader questions about these medications, each personally answered by our pharmacist:
Questions for your pharmacist
- Does my dose of Duloxetine or Apixaban need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (1)
- Product Information: ELIQUIS(R) oral film coated tablets, apixaban oral film coated tablets. Bristol-Myers Squibb Company (per Dailymed), Princeton, NJ, 2024. DailyMed
Keep reading about Duloxetine
Keep reading about Apixaban
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
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