Drug interactions
Bosutinib + Siponimod
Severity: Moderate
Bosutinib and Siponimod: 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
Bosutinib can cause myelosuppression, and siponimod reduces circulating lymphocytes. Together they may modestly add to infection risk.
What this interaction means in plain words
Bosutinib and Siponimod 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.
Bosutinib belongs to Oncology; Siponimod belongs to Central Nervous System.
Why it happens
Additive effects on blood counts and immune function through lymphocyte sequestration and kinase inhibitor-induced myelosuppression.
What to do
Monitor complete blood counts with differential and watch for infection symptoms. Reassess the need for siponimod if severe cytopenias develop.
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
Other interactions of Bosutinib
- Amiodarone + Bosutinib Major
- Apalutamide + Bosutinib Major
- Aprepitant + Bosutinib Major
- Bosentan + Bosutinib Major
- Bosutinib + Carbamazepine Major
- Bosutinib + Chlorpromazine Major
Frequently asked questions
Can I take Bosutinib with Siponimod?
MediHelp rates the interaction as moderate. Bosutinib and Siponimod 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. Bosutinib can cause myelosuppression, and siponimod reduces circulating lymphocytes. Together they may modestly add to infection risk.
How serious is the interaction between Bosutinib and Siponimod?
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 complete blood counts with differential and watch for infection symptoms. Reassess the need for siponimod if severe cytopenias develop.
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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