Drug interactions
Siponimod + Streptozocin
Severity: Moderate
Siponimod and Streptozocin: moderate 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
Streptozocin is a cytotoxic alkylating agent that can cause myelosuppression, although this is less prominent than with many chemotherapeutics. Together with siponimod, immune suppression and infection risk may increase.
What this interaction means in plain words
Siponimod and Streptozocin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive immunosuppression from cytotoxic effects and S1P receptor-mediated lymphocyte sequestration.
What to do
Monitor blood counts and for infection during co-therapy. Reassess the need for siponimod during chemotherapy.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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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
Frequently asked questions
Can I take Siponimod with Streptozocin?
MediHelp rates the interaction as moderate. Siponimod and Streptozocin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Streptozocin is a cytotoxic alkylating agent that can cause myelosuppression, although this is less prominent than with many chemotherapeutics. Together with siponimod, immune suppression and infection risk may increase.
How serious is the interaction between Siponimod and Streptozocin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and for infection during co-therapy. Reassess the need for siponimod during chemotherapy.
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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