Drug interactions
Chlorambucil + Fingolimod
Severity: Major
Chlorambucil and Fingolimod: major interaction.
Last updated Sources: Base de donnees publique des medicaments (France)
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 suppress immune function, so using them together can add to the risk of serious or opportunistic infections. Chlorambucil also causes bone marrow suppression, which may deepen lymphopenia already produced by fingolimod.
What this interaction means in plain words
Chlorambucil 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.
Chlorambucil belongs to Oncology; Fingolimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression and lymphocyte reduction through different mechanisms.
What to do
Avoid combining where possible, or monitor complete blood counts and lymphocyte counts closely and screen for infection. Allow for the lasting immune effects of chlorambucil when starting fingolimod.
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?
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References
Other interactions of Chlorambucil
Other interactions of Fingolimod
- Adenovirus types 4 and 7 live + Fingolimod Contraindicated
- Bcg vaccine live + Fingolimod Contraindicated
- Fingolimod + Pimozide Contraindicated
- Fingolimod + Ponesimod Contraindicated
- Fingolimod + Quinidine Contraindicated
- Fingolimod + Siponimod Contraindicated
Frequently asked questions
Can I take Chlorambucil with Fingolimod?
MediHelp rates the interaction as major. Chlorambucil 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. Both drugs suppress immune function, so using them together can add to the risk of serious or opportunistic infections. Chlorambucil also causes bone marrow suppression, which may deepen lymphopenia already produced by fingolimod.
How serious is the interaction between Chlorambucil 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 combining where possible, or monitor complete blood counts and lymphocyte counts closely and screen for infection. Allow for the lasting immune effects of chlorambucil when starting fingolimod.
What other medicines interact with Chlorambucil?
MediHelp also lists interactions of Chlorambucil with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Chlorambucil page.
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