Drug interactions
Bazedoxifene / conjugated estrogens + Carbamazepine
Severity: Moderate
Bazedoxifene / conjugated estrogens and Carbamazepine: 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 may reduce estrogen and bazedoxifene concentrations, lowering control of menopausal symptoms and possibly weakening endometrial protection.
What this interaction means in plain words
Bazedoxifene / conjugated estrogens and Carbamazepine 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.
Why it happens
Carbamazepine induces CYP3A4 and UGT enzymes, increasing metabolism of both components.
What to do
Monitor for recurrent vasomotor symptoms or abnormal bleeding and consider a non-inducing anticonvulsant or alternative therapy.
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 Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Bazedoxifene / conjugated estrogens with Carbamazepine?
MediHelp rates the interaction as moderate. Bazedoxifene / conjugated estrogens and Carbamazepine 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 may reduce estrogen and bazedoxifene concentrations, lowering control of menopausal symptoms and possibly weakening endometrial protection.
How serious is the interaction between Bazedoxifene / conjugated estrogens and Carbamazepine?
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 recurrent vasomotor symptoms or abnormal bleeding and consider a non-inducing anticonvulsant or alternative therapy.
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.
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