Drug interactions
Antithymocyte globulin equine + Tofacitinib
Severity: Major
Antithymocyte globulin equine and Tofacitinib: 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
Tofacitinib combined with a potent T-cell depleting agent greatly increases the risk of serious and opportunistic infection. Labeling advises against use with potent immunosuppressants.
What this interaction means in plain words
Antithymocyte globulin equine and Tofacitinib 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.
Why it happens
Additive immunosuppression from JAK inhibition and T-cell depletion.
What to do
Avoid combination where possible. If used, monitor closely for infection and lymphocyte counts.
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 Tofacitinib
- Baricitinib + Tofacitinib Contraindicated
- Cladribine + Tofacitinib Contraindicated
- Tofacitinib + Upadacitinib Contraindicated
- Abatacept + Tofacitinib Major
- Anti-thymocyte + Tofacitinib Major
- Antithymocyte globulin rabbit + Tofacitinib Major
Frequently asked questions
Can I take Antithymocyte globulin equine with Tofacitinib?
MediHelp rates the interaction as major. Antithymocyte globulin equine and Tofacitinib 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. Tofacitinib combined with a potent T-cell depleting agent greatly increases the risk of serious and opportunistic infection. Labeling advises against use with potent immunosuppressants.
How serious is the interaction between Antithymocyte globulin equine and Tofacitinib?
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 combination where possible. If used, monitor closely for infection and lymphocyte counts.
What other medicines interact with Tofacitinib?
MediHelp also lists interactions of Tofacitinib with, for example, Baricitinib, Cladribine, Upadacitinib. The full list is on the Tofacitinib page.
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