Dalteparin Injection and Remibrutinib: Interaction Details
AI-assisted, pharmacist-reviewed · Source data updated Aug 8, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Dalteparin Injection
Remibrutinib
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.
What happens
An increased risk of bleeding
Interaction Deep Dive
Coadministration of remibrutinib and anticoagulants may increase risk of bleeding. Consider the risks and benefits of anticoagulants when concomitantly used with remibrutinib and monitor for signs and symptoms of bleeding. No data are available on concomitant use of remibrutinib with anticoagulants. The concomitant use of remibrutinib and anticoagulants was not allowed in clinical studies1.
Why it happens (mechanism)
Additive effects on hemostasis
Literature reports
1 report — tap to read
a) No data are available on concomitant use of remibrutinib with anticoagulants. The concomitant use of remibrutinib and anticoagulants was not allowed in clinical studies 1.
Common questions
Can I take Dalteparin Injection and Remibrutinib together?
An increased risk of bleeding Always confirm with your pharmacist or prescriber before making any change.
How serious is the Dalteparin Injection and Remibrutinib 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 strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
Questions for your pharmacist
- Does my dose of Dalteparin Injection or Remibrutinib 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: RHAPSIDO® oral tablets, remibrutinib oral tablets. Novartis Pharmaceuticals Corporation (per FDA), East Hanover, NJ, 2025. DailyMed
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