Drug interactions
Baricitinib + Ublituximab
Severity: Major
Baricitinib and Ublituximab: 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 immunity, so combined use may increase the risk of serious infections. B-cell depletion from ublituximab lasts well beyond each dose.
What this interaction means in plain words
Baricitinib and Ublituximab 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.
Baricitinib belongs to Musculoskeletal; Ublituximab belongs to Miscellaneous.
Why it happens
Additive immunosuppression from JAK inhibition and anti-CD20 B-cell depletion.
What to do
Avoid concurrent use where possible. If combined, monitor closely for infection signs and review the timing of each therapy.
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 Baricitinib
- Adenovirus types 4 and 7 live + Baricitinib Contraindicated
- Baricitinib + Bcg vaccine live Contraindicated
- Baricitinib + Tofacitinib Contraindicated
- Baricitinib + Upadacitinib Contraindicated
- Abatacept + Baricitinib Major
- Adalimumab + Baricitinib Major
Other interactions of Ublituximab
Frequently asked questions
Can I take Baricitinib with Ublituximab?
MediHelp rates the interaction as major. Baricitinib and Ublituximab 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 immunity, so combined use may increase the risk of serious infections. B-cell depletion from ublituximab lasts well beyond each dose.
How serious is the interaction between Baricitinib and Ublituximab?
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 concurrent use where possible. If combined, monitor closely for infection signs and review the timing of each therapy.
What other medicines interact with Baricitinib?
MediHelp also lists interactions of Baricitinib with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Tofacitinib. The full list is on the Baricitinib page.
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