Drug interactions
Ocrelizumab + Tofacitinib
Severity: Major
Ocrelizumab 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
Both drugs suppress immune function, and combining them can raise the risk of serious infection. Tofacitinib is not recommended alongside potent immunosuppressive biologics.
What this interaction means in plain words
Ocrelizumab 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.
Ocrelizumab belongs to Central Nervous System; Tofacitinib belongs to Musculoskeletal.
Why it happens
Additive immunosuppression from JAK inhibition and B-cell depletion.
What to do
Avoid combined use where possible. If used, monitor closely for infections and withhold either drug if a serious infection occurs.
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 equine + Tofacitinib Major
Other interactions of Ocrelizumab
- Adenovirus types 4 and 7 live + Ocrelizumab Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Ocrelizumab Contraindicated
- Measles mumps and rubella vaccine live + Ocrelizumab Contraindicated
- Measles mumps rubella and varicella vaccine live + Ocrelizumab Contraindicated
- Measles vaccine + Ocrelizumab Contraindicated
- Anti-thymocyte + Ocrelizumab Major
Frequently asked questions
Can I take Ocrelizumab with Tofacitinib?
MediHelp rates the interaction as major. Ocrelizumab 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. Both drugs suppress immune function, and combining them can raise the risk of serious infection. Tofacitinib is not recommended alongside potent immunosuppressive biologics.
How serious is the interaction between Ocrelizumab 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 combined use where possible. If used, monitor closely for infections and withhold either drug if a serious infection occurs.
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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