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Drug interactions

Cidofovir + Deferiprone

Severity: Major

Cidofovir and Deferiprone: major 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 can cause neutropenia, and combining them may increase the risk of severe neutropenia or agranulocytosis. Deferiprone labeling warns against use with other myelosuppressive drugs.

What this interaction means in plain words

Cidofovir and Deferiprone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Cidofovir belongs to Anti Virals; Deferiprone belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Additive bone marrow suppression (pharmacodynamic).

What to do

Avoid if an alternative exists. Otherwise monitor absolute neutrophil count more frequently and interrupt therapy if neutropenia develops.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Cidofovir with Deferiprone?

MediHelp rates the interaction as major. Cidofovir and Deferiprone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can cause neutropenia, and combining them may increase the risk of severe neutropenia or agranulocytosis. Deferiprone labeling warns against use with other myelosuppressive drugs.

How serious is the interaction between Cidofovir and Deferiprone?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if an alternative exists. Otherwise monitor absolute neutrophil count more frequently and interrupt therapy if neutropenia develops.

What other medicines interact with Cidofovir?

MediHelp also lists interactions of Cidofovir with, for example, Amikacin, Amphotericin b deoxycholate, Amphotericin b. The full list is on the Cidofovir 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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