Drug interactions
Anti-thymocyte + Ponesimod
Severity: Major
Anti-thymocyte and Ponesimod: 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
Anti-thymocyte globulin causes profound lymphocyte depletion and ponesimod reduces circulating lymphocytes by sequestration. Combined, they may substantially raise the risk of serious infection, and effects persist after either drug is stopped.
What this interaction means in plain words
Anti-thymocyte and Ponesimod 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.
Anti-thymocyte belongs to Miscellaneous; Ponesimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression via T-cell depletion and S1P receptor modulation.
What to do
Avoid starting ponesimod during or soon after anti-thymocyte globulin where possible. If used, monitor lymphocyte counts and infection signs closely.
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 Anti-thymocyte
- Anti-thymocyte + Bcg vaccine live Contraindicated
- Anti-thymocyte + Influenza virus vaccine quadrivalent intranasal Contraindicated
- Anti-thymocyte + Measles mumps and rubella vaccine live Contraindicated
- Anti-thymocyte + Measles mumps rubella and varicella vaccine live Contraindicated
- Anti-thymocyte + Measles vaccine Contraindicated
- Anti-thymocyte + Rotavirus oral vaccine live Contraindicated
Other interactions of Ponesimod
- Fingolimod + Ponesimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Amiodarone + Ponesimod Major
- Amisulpride + Ponesimod Major
- Anagrelide + Ponesimod Major
- Asenapine + Ponesimod Major
Frequently asked questions
Can I take Anti-thymocyte with Ponesimod?
MediHelp rates the interaction as major. Anti-thymocyte and Ponesimod 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. Anti-thymocyte globulin causes profound lymphocyte depletion and ponesimod reduces circulating lymphocytes by sequestration. Combined, they may substantially raise the risk of serious infection, and effects persist after either drug is stopped.
How serious is the interaction between Anti-thymocyte and Ponesimod?
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 starting ponesimod during or soon after anti-thymocyte globulin where possible. If used, monitor lymphocyte counts and infection signs closely.
What other medicines interact with Anti-thymocyte?
MediHelp also lists interactions of Anti-thymocyte with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine live. The full list is on the Anti-thymocyte page.
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