Skip to content

Drug interactions

Anastrozole + Chloroquine

Severity: Minor

Anastrozole and Chloroquine: 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 only a weak in vitro CYP3A4 inhibitor and has not been shown to change chloroquine exposure clinically. Any effect is likely negligible.

What this interaction means in plain words

Anastrozole and Chloroquine 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; Chloroquine belongs to Anti Parasitic.

Evidence level: Low

Why it happens

Theoretical weak CYP3A4 inhibition; not established clinically.

What to do

No dose adjustment is needed. Routine monitoring is sufficient.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Anastrozole and Chloroquine, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Anastrozole with Chloroquine?

MediHelp rates the interaction as minor. Anastrozole and Chloroquine 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 only a weak in vitro CYP3A4 inhibitor and has not been shown to change chloroquine exposure clinically. Any effect is likely negligible.

How serious is the interaction between Anastrozole and Chloroquine?

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. Routine monitoring is sufficient.

What other medicines interact with Chloroquine?

MediHelp also lists interactions of Chloroquine with, for example, Cisapride, Dofetilide, Dronedarone. The full list is on the Chloroquine 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.

Browse A–Z · Drug interactions

Get the app Sign in