Drug interactions
Cenobamate + Estradiol
Severity: Moderate
Cenobamate and Estradiol: 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
Cenobamate induces CYP3A4 and can lower estradiol concentrations, reducing efficacy of estrogen therapy. Hormonal contraceptive effectiveness may also be reduced.
What this interaction means in plain words
Cenobamate and Estradiol 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.
Cenobamate belongs to Central Nervous System; Estradiol belongs to Endocrine.
Why it happens
Cenobamate induces CYP3A4, increasing estradiol metabolic clearance.
What to do
Monitor for recurrence of menopausal symptoms or breakthrough bleeding and increase the estradiol dose if required. Advise a non-hormonal or additional contraceptive method where contraception is needed.
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 Estradiol
- Anastrozole + Estradiol Contraindicated
- Estradiol + Fezolinetant Contraindicated
- Estradiol + Ospemifene Contraindicated
- Antithrombin alfa + Estradiol Major
- Antithrombin iii + Estradiol Major
- Estradiol + Exemestane Major
Other interactions of Cenobamate
Frequently asked questions
Can I take Cenobamate with Estradiol?
MediHelp rates the interaction as moderate. Cenobamate and Estradiol 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. Cenobamate induces CYP3A4 and can lower estradiol concentrations, reducing efficacy of estrogen therapy. Hormonal contraceptive effectiveness may also be reduced.
How serious is the interaction between Cenobamate and Estradiol?
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 recurrence of menopausal symptoms or breakthrough bleeding and increase the estradiol dose if required. Advise a non-hormonal or additional contraceptive method where contraception is needed.
What other medicines interact with Estradiol?
MediHelp also lists interactions of Estradiol with, for example, Anastrozole, Fezolinetant, Ospemifene. The full list is on the Estradiol page.
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