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Drug interactions

Canakinumab + Infliximab

Severity: Major

Canakinumab and Infliximab: 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

Combining an IL-1 blocker with a TNF blocker raises the risk of serious infections, as seen with similar biologic combinations. The added benefit has not been shown to outweigh this risk.

What this interaction means in plain words

Canakinumab and Infliximab 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.

Canakinumab belongs to Miscellaneous; Infliximab belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive immunosuppression from IL-1 beta and TNF-alpha blockade.

What to do

Avoid concurrent use of canakinumab and TNF blockers. If unavoidable, monitor closely for infection and stop at the first sign of serious infection.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Canakinumab with Infliximab?

MediHelp rates the interaction as major. Canakinumab and Infliximab 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. Combining an IL-1 blocker with a TNF blocker raises the risk of serious infections, as seen with similar biologic combinations. The added benefit has not been shown to outweigh this risk.

How serious is the interaction between Canakinumab and Infliximab?

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 of canakinumab and TNF blockers. If unavoidable, monitor closely for infection and stop at the first sign of serious infection.

What other medicines interact with Infliximab?

MediHelp also lists interactions of Infliximab with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine. The full list is on the Infliximab page.

Full monographs, dosing and an interaction checker in the MediHelp app

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