Drug interactions
Estrogens conjugated synthetic + Nilotinib
Severity: Minor
Estrogens conjugated synthetic and Nilotinib: 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
Nilotinib inhibits CYP3A4 and P-glycoprotein, which may raise systemic exposure to synthetic conjugated estrogens. Higher estrogen levels could increase estrogen-related adverse effects such as breast tenderness, fluid retention and thromboembolic risk. The clinical impact is expected to be modest.
What this interaction means in plain words
Estrogens conjugated synthetic and Nilotinib 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
Nilotinib weakly inhibits CYP3A4 and P-glycoprotein, reducing estrogen clearance and efflux.
What to do
Monitor for estrogenic adverse effects such as edema, breast tenderness or bleeding changes. Reduce the estrogen dose if symptoms appear.
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 Nilotinib
- Amiodarone + Nilotinib Contraindicated
- Arsenic trioxide + Nilotinib Contraindicated
- Disopyramide + Nilotinib Contraindicated
- Dofetilide + Nilotinib Contraindicated
- Dronedarone + Nilotinib Contraindicated
- Droperidol + Nilotinib Contraindicated
Frequently asked questions
Can I take Estrogens conjugated synthetic with Nilotinib?
MediHelp rates the interaction as minor. Estrogens conjugated synthetic and Nilotinib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nilotinib inhibits CYP3A4 and P-glycoprotein, which may raise systemic exposure to synthetic conjugated estrogens. Higher estrogen levels could increase estrogen-related adverse effects such as breast tenderness, fluid retention and thromboembolic risk. The clinical impact is expected to be modest.
How serious is the interaction between Estrogens conjugated synthetic and Nilotinib?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for estrogenic adverse effects such as edema, breast tenderness or bleeding changes. Reduce the estrogen dose if symptoms appear.
What other medicines interact with Nilotinib?
MediHelp also lists interactions of Nilotinib with, for example, Amiodarone, Arsenic trioxide, Disopyramide. The full list is on the Nilotinib page.
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