Drug interactions
Dexamethasone + Exemestane
Severity: Minor
Dexamethasone and Exemestane: minor 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
Exemestane is metabolized mainly by CYP3A4, and dexamethasone can induce this enzyme. Exemestane concentrations may fall, which could reduce its estrogen-suppressing effect, although the clinical relevance of dexamethasone is uncertain.
What this interaction means in plain words
Dexamethasone and Exemestane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexamethasone belongs to Endocrine; Exemestane belongs to Oncology.
Why it happens
Dexamethasone induces CYP3A4, potentially increasing exemestane clearance.
What to do
No empirical dose change is needed for short-course dexamethasone; monitor clinical response if prolonged high-dose steroid is used. Consider the labeled exemestane dose increase only with potent inducers.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dexamethasone and Exemestane, 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 Exemestane
Frequently asked questions
Can I take Dexamethasone with Exemestane?
MediHelp rates the interaction as minor. Dexamethasone and Exemestane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Exemestane is metabolized mainly by CYP3A4, and dexamethasone can induce this enzyme. Exemestane concentrations may fall, which could reduce its estrogen-suppressing effect, although the clinical relevance of dexamethasone is uncertain.
How serious is the interaction between Dexamethasone and Exemestane?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No empirical dose change is needed for short-course dexamethasone; monitor clinical response if prolonged high-dose steroid is used. Consider the labeled exemestane dose increase only with potent inducers.
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.
