Drug interactions
Carbamazepine + Elacestrant
Severity: Major
Carbamazepine and Elacestrant: major 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
Carbamazepine can decrease elacestrant exposure and may compromise its antitumor effect.
What this interaction means in plain words
Carbamazepine and Elacestrant can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Carbamazepine belongs to Central Nervous System; Elacestrant belongs to Oncology.
Why it happens
Induction of CYP3A4 increases elacestrant clearance.
What to do
Avoid concomitant use of strong or moderate CYP3A inducers and select a non-inducing anticonvulsant.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Other interactions of Elacestrant
Frequently asked questions
Can I take Carbamazepine with Elacestrant?
MediHelp rates the interaction as major. Carbamazepine and Elacestrant can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Carbamazepine can decrease elacestrant exposure and may compromise its antitumor effect.
How serious is the interaction between Carbamazepine and Elacestrant?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concomitant use of strong or moderate CYP3A inducers and select a non-inducing anticonvulsant.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
Full monographs, dosing and an interaction checker in the MediHelp app
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