Drug interactions
Dexamethasone + Encorafenib
Severity: Moderate
Dexamethasone and Encorafenib: 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
Encorafenib both inhibits and induces CYP3A4, and dexamethasone is a CYP3A4 substrate, so its exposure may change unpredictably. Dexamethasone may also lower encorafenib exposure through CYP3A4 induction.
What this interaction means in plain words
Dexamethasone and Encorafenib 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; Encorafenib belongs to Oncology.
Why it happens
Mixed CYP3A4 inhibition and induction by encorafenib, plus CYP3A4 induction by dexamethasone.
What to do
Monitor for loss of dexamethasone effect or steroid toxicity and for reduced encorafenib efficacy; adjust doses based on clinical response.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dexamethasone and Encorafenib, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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
Other interactions of Encorafenib
Frequently asked questions
Can I take Dexamethasone with Encorafenib?
MediHelp rates the interaction as moderate. Dexamethasone and Encorafenib 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. Encorafenib both inhibits and induces CYP3A4, and dexamethasone is a CYP3A4 substrate, so its exposure may change unpredictably. Dexamethasone may also lower encorafenib exposure through CYP3A4 induction.
How serious is the interaction between Dexamethasone and Encorafenib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for loss of dexamethasone effect or steroid toxicity and for reduced encorafenib efficacy; adjust doses based on clinical response.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
