Drug interactions
Dacarbazine + Siponimod
Severity: Major
Dacarbazine and Siponimod: 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
Dacarbazine suppresses bone marrow function and siponimod reduces circulating lymphocytes. The combination may increase susceptibility to infection.
What this interaction means in plain words
Dacarbazine and Siponimod 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.
Dacarbazine belongs to Oncology; Siponimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression from cytotoxic myelosuppression and siponimod-induced lymphopenia.
What to do
Avoid if possible or consider interrupting siponimod during chemotherapy. Monitor blood counts and watch for infection.
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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Other interactions of Siponimod
- Cladribine + Siponimod Contraindicated
- Fingolimod + Siponimod Contraindicated
- Fluconazole + Siponimod Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Siponimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Siponimod + Thioridazine Contraindicated
Other interactions of Dacarbazine
Frequently asked questions
Can I take Dacarbazine with Siponimod?
MediHelp rates the interaction as major. Dacarbazine and Siponimod 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. Dacarbazine suppresses bone marrow function and siponimod reduces circulating lymphocytes. The combination may increase susceptibility to infection.
How serious is the interaction between Dacarbazine and Siponimod?
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 possible or consider interrupting siponimod during chemotherapy. Monitor blood counts and watch for infection.
What other medicines interact with Siponimod?
MediHelp also lists interactions of Siponimod with, for example, Cladribine, Fingolimod, Fluconazole. The full list is on the Siponimod page.
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