Drug interactions
Belimumab + Fingolimod
Severity: Moderate
Belimumab and Fingolimod: 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
Belimumab inhibits B-cell survival and fingolimod reduces circulating lymphocytes, so the combination may increase infection risk. Clinical data on combined use are limited.
What this interaction means in plain words
Belimumab and Fingolimod 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.
Belimumab belongs to Miscellaneous; Fingolimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression via BLyS inhibition and lymphocyte sequestration.
What to do
Monitor for infection and lymphocyte counts if used together, and reassess the need for both agents.
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 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
Other interactions of Belimumab
- Belimumab + Measles mumps and rubella vaccine Major
- Abatacept + Belimumab Moderate
- Adalimumab + Belimumab Moderate
- Anakinra + Belimumab Moderate
- Anti-thymocyte + Belimumab Moderate
- Belimumab + Denosumab Moderate
Frequently asked questions
Can I take Belimumab with Fingolimod?
MediHelp rates the interaction as moderate. Belimumab and Fingolimod 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. Belimumab inhibits B-cell survival and fingolimod reduces circulating lymphocytes, so the combination may increase infection risk. Clinical data on combined use are limited.
How serious is the interaction between Belimumab and Fingolimod?
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 for infection and lymphocyte counts if used together, and reassess the need for both agents.
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.
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