Drug interactions
Lopinavir + Tofacitinib
Severity: Major
Lopinavir 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
Lopinavir/ritonavir inhibits CYP3A4 and may increase tofacitinib exposure, raising the risk of infection and cytopenias.
What this interaction means in plain words
Lopinavir 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.
Lopinavir belongs to Anti Virals; Tofacitinib belongs to Musculoskeletal.
Why it happens
Ritonavir-boosted lopinavir inhibits CYP3A4-mediated tofacitinib metabolism.
What to do
Reduce the tofacitinib dose as labeled for strong CYP3A4 inhibitors. Monitor for infection and hematologic abnormalities.
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 Lopinavir
- Alfuzosin + Lopinavir Contraindicated
- Avanafil + Lopinavir Contraindicated
- Cisapride + Lopinavir Contraindicated
- Dronedarone + Lopinavir Contraindicated
- Eletriptan + Lopinavir Contraindicated
- Eplerenone + Lopinavir Contraindicated
Frequently asked questions
Can I take Lopinavir with Tofacitinib?
MediHelp rates the interaction as major. Lopinavir 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. Lopinavir/ritonavir inhibits CYP3A4 and may increase tofacitinib exposure, raising the risk of infection and cytopenias.
How serious is the interaction between Lopinavir 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: Reduce the tofacitinib dose as labeled for strong CYP3A4 inhibitors. Monitor for infection and hematologic abnormalities.
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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