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Drug interactions

Azacitidine + Fingolimod

Severity: Major

Azacitidine and Fingolimod: 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

Azacitidine causes myelosuppression and fingolimod lowers circulating lymphocytes by sequestering them in lymphoid tissue. Together they may increase the risk of serious infection.

What this interaction means in plain words

Azacitidine and Fingolimod 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.

Azacitidine belongs to Oncology; Fingolimod belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive immunosuppression: lymphocyte sequestration from fingolimod plus bone marrow suppression from azacitidine.

What to do

Avoid the combination where possible, or monitor blood counts and infection signs closely. Consider stopping fingolimod during cytotoxic therapy, remembering its immune effects persist for weeks after discontinuation.

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 Azacitidine with Fingolimod?

MediHelp rates the interaction as major. Azacitidine and Fingolimod 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. Azacitidine causes myelosuppression and fingolimod lowers circulating lymphocytes by sequestering them in lymphoid tissue. Together they may increase the risk of serious infection.

How serious is the interaction between Azacitidine and Fingolimod?

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 the combination where possible, or monitor blood counts and infection signs closely. Consider stopping fingolimod during cytotoxic therapy, remembering its immune effects persist for weeks after discontinuation.

What other medicines interact with Fingolimod?

MediHelp also lists interactions of Fingolimod with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Pimozide. The full list is on the Fingolimod page.

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

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