Drug interactions
Etrasimod + Idarubicin
Severity: Major
Etrasimod and Idarubicin: 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
Etrasimod lowers circulating lymphocytes, and idarubicin is myelosuppressive and immunosuppressive. Together they may produce additive immunosuppression and a higher risk of serious infection.
What this interaction means in plain words
Etrasimod and Idarubicin 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.
Etrasimod belongs to Gastrointestinal Tract; Idarubicin belongs to Oncology.
Why it happens
Additive immunosuppression from lymphocyte sequestration by S1P receptor modulation and cytotoxic marrow suppression.
What to do
Avoid combining when possible, and allow time after stopping etrasimod. If used together, 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 Idarubicin
- Adenovirus types 4 and 7 live + Idarubicin Contraindicated
- Belatacept + Idarubicin Major
- Cyclophosphamide + Idarubicin Major
- Deferiprone + Idarubicin Major
- Dengue vaccine + Idarubicin Major
- Fingolimod + Idarubicin Major
Other interactions of Etrasimod
- Abatacept + Etrasimod Major
- Amiodarone + Etrasimod Major
- Anagrelide + Etrasimod Major
- Anakinra + Etrasimod Major
- Anti-thymocyte + Etrasimod Major
- Asenapine + Etrasimod Major
Frequently asked questions
Can I take Etrasimod with Idarubicin?
MediHelp rates the interaction as major. Etrasimod and Idarubicin 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. Etrasimod lowers circulating lymphocytes, and idarubicin is myelosuppressive and immunosuppressive. Together they may produce additive immunosuppression and a higher risk of serious infection.
How serious is the interaction between Etrasimod and Idarubicin?
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 when possible, and allow time after stopping etrasimod. If used together, monitor blood counts and watch for infection.
What other medicines interact with Idarubicin?
MediHelp also lists interactions of Idarubicin with, for example, Adenovirus types 4 and 7 live, Belatacept, Cyclophosphamide. The full list is on the Idarubicin page.
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