Drug interactions
Bazedoxifene-conjugated estrogens + Conivaptan
Severity: Minor
Bazedoxifene-conjugated estrogens and Conivaptan: minor 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
Conivaptan inhibits CYP3A4 and may raise concentrations of estrogens and bazedoxifene. Conivaptan is used only short term in hospital, so the effect is likely limited.
What this interaction means in plain words
Bazedoxifene-conjugated estrogens and Conivaptan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Inhibition of CYP3A4 reduces metabolic clearance of the hormone components.
What to do
No routine adjustment is needed for a short course. Monitor for estrogenic adverse effects such as breast tenderness or fluid retention.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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
Frequently asked questions
Can I take Bazedoxifene-conjugated estrogens with Conivaptan?
MediHelp rates the interaction as minor. Bazedoxifene-conjugated estrogens and Conivaptan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Conivaptan inhibits CYP3A4 and may raise concentrations of estrogens and bazedoxifene. Conivaptan is used only short term in hospital, so the effect is likely limited.
How serious is the interaction between Bazedoxifene-conjugated estrogens and Conivaptan?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed for a short course. Monitor for estrogenic adverse effects such as breast tenderness or fluid retention.
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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