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Drug interactions

Ifosfamide + Olaparib

Severity: Moderate

Ifosfamide and Olaparib: moderate 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

Both drugs cause bone marrow suppression, and the combination can increase anemia, neutropenia and thrombocytopenia. Prolonged cytopenias may require dose reductions or delays.

What this interaction means in plain words

Ifosfamide and Olaparib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Ifosfamide belongs to Oncology; Olaparib belongs to Oncology.

Evidence level: Moderate

Why it happens

Additive myelosuppression from a DNA-damaging alkylator and a PARP inhibitor.

What to do

Monitor complete blood counts frequently and reduce doses or interrupt treatment for significant cytopenias.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Ifosfamide with Olaparib?

MediHelp rates the interaction as moderate. Ifosfamide and Olaparib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both drugs cause bone marrow suppression, and the combination can increase anemia, neutropenia and thrombocytopenia. Prolonged cytopenias may require dose reductions or delays.

How serious is the interaction between Ifosfamide and Olaparib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor complete blood counts frequently and reduce doses or interrupt treatment for significant cytopenias.

What other medicines interact with Ifosfamide?

MediHelp also lists interactions of Ifosfamide with, for example, Adenovirus types 4 and 7 live, Measles mumps and rubella vaccine, Measles mumps and rubella vaccine live. The full list is on the Ifosfamide 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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