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Drug interactions

Anastrozole + Felodipine

Severity: Minor

Anastrozole and Felodipine: 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

Anastrozole is not a clinically relevant CYP3A4 inhibitor, so a meaningful rise in felodipine levels is unlikely. Any effect would be small.

What this interaction means in plain words

Anastrozole and Felodipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Anastrozole belongs to Oncology; Felodipine belongs to Cardiovascular.

Evidence level: Low

Why it happens

Theoretical weak CYP3A4 inhibition by anastrozole; not clinically established.

What to do

No dose adjustment is needed. Monitor blood pressure as routine.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Anastrozole with Felodipine?

MediHelp rates the interaction as minor. Anastrozole and Felodipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Anastrozole is not a clinically relevant CYP3A4 inhibitor, so a meaningful rise in felodipine levels is unlikely. Any effect would be small.

How serious is the interaction between Anastrozole and Felodipine?

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 dose adjustment is needed. Monitor blood pressure as routine.

What other medicines interact with Felodipine?

MediHelp also lists interactions of Felodipine with, for example, Itraconazole, Aldesleukin, Amifostine. The full list is on the Felodipine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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