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Drug interactions

Carbamazepine + Elagolix

Severity: Moderate

Carbamazepine and Elagolix: 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

Carbamazepine can reduce elagolix exposure and efficacy, while elagolix, a weak-to-moderate CYP3A inducer, may lower carbamazepine levels. Both effects can reduce therapeutic benefit, including seizure control.

What this interaction means in plain words

Carbamazepine and Elagolix 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.

Carbamazepine belongs to Central Nervous System; Elagolix belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Mutual induction of CYP3A4 metabolism, with carbamazepine also lowering elagolix exposure.

What to do

Monitor carbamazepine concentrations and seizure control and monitor endometriosis symptoms. Consider an alternative anticonvulsant or therapy if efficacy is lost.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Carbamazepine with Elagolix?

MediHelp rates the interaction as moderate. Carbamazepine and Elagolix 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. Carbamazepine can reduce elagolix exposure and efficacy, while elagolix, a weak-to-moderate CYP3A inducer, may lower carbamazepine levels. Both effects can reduce therapeutic benefit, including seizure control.

How serious is the interaction between Carbamazepine and Elagolix?

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 carbamazepine concentrations and seizure control and monitor endometriosis symptoms. Consider an alternative anticonvulsant or therapy if efficacy is lost.

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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