Drug interactions
Bazedoxifene-conjugated estrogens + Etravirine
Severity: Moderate
Bazedoxifene-conjugated estrogens and Etravirine: 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
Etravirine induces CYP3A4 and may lower concentrations of estrogens and bazedoxifene. This could reduce symptom control and the endometrial protection provided by bazedoxifene.
What this interaction means in plain words
Bazedoxifene-conjugated estrogens and Etravirine 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.
Bazedoxifene-conjugated estrogens belongs to Endocrine; Etravirine belongs to Anti Virals.
Why it happens
Induction of CYP3A4 increases metabolic clearance of the hormone components.
What to do
Monitor for recurrent vasomotor symptoms and for unscheduled uterine bleeding, which should be evaluated. Consider alternative 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?
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Other interactions of Bazedoxifene-conjugated estrogens
- Anastrozole + Bazedoxifene-conjugated estrogens Contraindicated
- Bazedoxifene-conjugated estrogens + Ospemifene Contraindicated
- Antithrombin alfa + Bazedoxifene-conjugated estrogens Major
- Antithrombin iii + Bazedoxifene-conjugated estrogens Major
- Bazedoxifene-conjugated estrogens + Bemiparin Major
- Bazedoxifene-conjugated estrogens + Carbamazepine Major
Other interactions of Etravirine
- Efavirenz + Etravirine Contraindicated
- Etravirine + Isavuconazole Contraindicated
- Amobarbital + Etravirine Major
- Apalutamide + Etravirine Major
- Carbamazepine + Etravirine Major
- Cobicistat + Etravirine Major
Frequently asked questions
Can I take Bazedoxifene-conjugated estrogens with Etravirine?
MediHelp rates the interaction as moderate. Bazedoxifene-conjugated estrogens and Etravirine 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. Etravirine induces CYP3A4 and may lower concentrations of estrogens and bazedoxifene. This could reduce symptom control and the endometrial protection provided by bazedoxifene.
How serious is the interaction between Bazedoxifene-conjugated estrogens and Etravirine?
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 and for unscheduled uterine bleeding, which should be evaluated. Consider alternative therapy if efficacy is lost.
What other medicines interact with Bazedoxifene-conjugated estrogens?
MediHelp also lists interactions of Bazedoxifene-conjugated estrogens with, for example, Anastrozole, Ospemifene, Antithrombin alfa. The full list is on the Bazedoxifene-conjugated estrogens page.
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