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Drug interactions

Erdafitinib + Ibuprofen

Severity: Minor

Erdafitinib and Ibuprofen: 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

Erdafitinib is partly metabolized by CYP2C9, and strong CYP2C9 inhibitors can raise its exposure and toxicity. Ibuprofen is a CYP2C9 substrate and not a strong inhibitor, so a clinically meaningful effect is unlikely.

What this interaction means in plain words

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

Erdafitinib belongs to Oncology; Ibuprofen belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Ibuprofen is a CYP2C9 substrate with weak competitive effect on erdafitinib metabolism, not strong inhibition.

What to do

No dose change of erdafitinib is needed. Monitor for erdafitinib adverse effects such as hyperphosphatemia and ocular toxicity as usual.

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 Erdafitinib with Ibuprofen?

MediHelp rates the interaction as minor. Erdafitinib and Ibuprofen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Erdafitinib is partly metabolized by CYP2C9, and strong CYP2C9 inhibitors can raise its exposure and toxicity. Ibuprofen is a CYP2C9 substrate and not a strong inhibitor, so a clinically meaningful effect is unlikely.

How serious is the interaction between Erdafitinib and Ibuprofen?

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 change of erdafitinib is needed. Monitor for erdafitinib adverse effects such as hyperphosphatemia and ocular toxicity as usual.

What other medicines interact with Ibuprofen?

MediHelp also lists interactions of Ibuprofen with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Ibuprofen page.

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