Drug interactions
Certolizumab pegol + Infliximab
Severity: Major
Certolizumab pegol and Infliximab: major interaction.
Last updated Sources: US FDA label
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
Two TNF antagonists together add infection risk without demonstrated benefit. Serious infections and neutropenia are the main concerns.
What this interaction means in plain words
Certolizumab pegol 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.
Certolizumab pegol belongs to Musculoskeletal; Infliximab belongs to Musculoskeletal.
Why it happens
Additive TNF-alpha inhibition causing excessive immunosuppression.
What to do
Do not use together; use one TNF inhibitor, or switch to a different mechanism if response is inadequate.
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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References
Other interactions of Infliximab
- Bcg vaccine live + Infliximab Contraindicated
- Infliximab + Influenza virus vaccine quadrivalent intranasal Contraindicated
- Infliximab + Measles mumps and rubella vaccine Contraindicated
- Infliximab + Measles mumps and rubella vaccine live Contraindicated
- Infliximab + Measles mumps rubella and varicella vaccine live Contraindicated
- Infliximab + Measles vaccine Contraindicated
Other interactions of Certolizumab pegol
- Adenovirus types 4 and 7 live + Certolizumab pegol Contraindicated
- Bcg intravesical live + Certolizumab pegol Contraindicated
- Bcg vaccine live + Certolizumab pegol Contraindicated
- Certolizumab pegol + Influenza virus vaccine quadrivalent intranasal Contraindicated
- Certolizumab pegol + Measles mumps and rubella vaccine Contraindicated
- Certolizumab pegol + Measles mumps and rubella vaccine live Contraindicated
Frequently asked questions
Can I take Certolizumab pegol with Infliximab?
MediHelp rates the interaction as major. Certolizumab pegol 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. Two TNF antagonists together add infection risk without demonstrated benefit. Serious infections and neutropenia are the main concerns.
How serious is the interaction between Certolizumab pegol 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: Do not use together; use one TNF inhibitor, or switch to a different mechanism if response is inadequate.
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.
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