Drug interactions
Bazedoxifene / conjugated estrogens + Quinidine
Severity: Minor
Bazedoxifene / conjugated estrogens and Quinidine: 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
Quinidine inhibits P-glycoprotein and may raise exposure to the estrogen and bazedoxifene components. The clinical significance is uncertain and likely modest, with possible increased estrogenic adverse effects.
What this interaction means in plain words
Bazedoxifene / conjugated estrogens and Quinidine 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 P-glycoprotein efflux may increase absorption and reduce elimination of the estrogen component.
What to do
No routine change is needed. Watch for estrogenic adverse effects such as breast tenderness or fluid retention and adjust the dose if they occur.
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 Quinidine
- Adagrasib + Quinidine Contraindicated
- Arsenic trioxide + Quinidine Contraindicated
- Artemether / lumefantrine + Quinidine Contraindicated
- Chloroquine + Quinidine Contraindicated
- Dofetilide + Quinidine Contraindicated
- Dronedarone + Quinidine Contraindicated
Frequently asked questions
Can I take Bazedoxifene / conjugated estrogens with Quinidine?
MediHelp rates the interaction as minor. Bazedoxifene / conjugated estrogens and Quinidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Quinidine inhibits P-glycoprotein and may raise exposure to the estrogen and bazedoxifene components. The clinical significance is uncertain and likely modest, with possible increased estrogenic adverse effects.
How serious is the interaction between Bazedoxifene / conjugated estrogens and Quinidine?
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 change is needed. Watch for estrogenic adverse effects such as breast tenderness or fluid retention and adjust the dose if they occur.
What other medicines interact with Quinidine?
MediHelp also lists interactions of Quinidine with, for example, Adagrasib, Arsenic trioxide, Artemether / lumefantrine. The full list is on the Quinidine page.
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