Drug interactions
Dexamethasone + Rivaroxaban
Severity: Moderate
Dexamethasone and Rivaroxaban: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Dexamethasone is a CYP3A4 inducer that may lower rivaroxaban concentrations, particularly with prolonged use or higher doses, risking reduced anticoagulant protection.
What this interaction means in plain words
Dexamethasone and Rivaroxaban can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dexamethasone belongs to Endocrine; Rivaroxaban belongs to Cardiovascular.
Why it happens
CYP3A4 induction by dexamethasone increases rivaroxaban metabolism.
What to do
For long-term or high-dose dexamethasone, monitor for thromboembolic events and consider an alternative anticoagulant. Short courses usually need no change.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Rivaroxaban
- Defibrotide + Rivaroxaban Contraindicated
- Ketoconazole + Rivaroxaban Contraindicated
- Ketorolac + Rivaroxaban Contraindicated
- Abciximab + Rivaroxaban Major
- Acalabrutinib + Rivaroxaban Major
- Acetylsalicylic acid + Rivaroxaban Major
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Rivaroxaban?
MediHelp rates the interaction as moderate. Dexamethasone and Rivaroxaban can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Dexamethasone is a CYP3A4 inducer that may lower rivaroxaban concentrations, particularly with prolonged use or higher doses, risking reduced anticoagulant protection.
How serious is the interaction between Dexamethasone and Rivaroxaban?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: For long-term or high-dose dexamethasone, monitor for thromboembolic events and consider an alternative anticoagulant. Short courses usually need no change.
What other medicines interact with Rivaroxaban?
MediHelp also lists interactions of Rivaroxaban with, for example, Defibrotide, Ketoconazole, Ketorolac. The full list is on the Rivaroxaban page.
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