Drug interactions
Artemether / lumefantrine + Bazedoxifene-conjugated estrogens
Severity: Minor
Artemether / lumefantrine and Bazedoxifene-conjugated estrogens: 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
Artemether has weak CYP3A4 inducing activity and may lower exposure to the estrogen and bazedoxifene components. Reduced estrogen effect could lead to return of vasomotor symptoms, and reduced endometrial protection is a theoretical concern.
What this interaction means in plain words
Artemether / lumefantrine and Bazedoxifene-conjugated estrogens 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
Mild induction of CYP3A4 increases metabolic clearance of conjugated estrogens and bazedoxifene.
What to do
No routine dose change is needed for a short antimalarial course. Watch for recurrent menopausal symptoms or breakthrough bleeding and review therapy 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 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 Artemether / lumefantrine with Bazedoxifene-conjugated estrogens?
MediHelp rates the interaction as minor. Artemether / lumefantrine and Bazedoxifene-conjugated estrogens have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Artemether has weak CYP3A4 inducing activity and may lower exposure to the estrogen and bazedoxifene components. Reduced estrogen effect could lead to return of vasomotor symptoms, and reduced endometrial protection is a theoretical concern.
How serious is the interaction between Artemether / lumefantrine and Bazedoxifene-conjugated estrogens?
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 dose change is needed for a short antimalarial course. Watch for recurrent menopausal symptoms or breakthrough bleeding and review therapy if they occur.
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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