Drug interactions
Etanercept + Influenza virus vaccine quadrivalent intranasal
Severity: Major
Etanercept and Influenza virus vaccine quadrivalent intranasal: 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
The intranasal vaccine contains live attenuated virus, which could replicate in an immunosuppressed patient. This creates a theoretical risk of vaccine-strain influenza illness. Labeling advises against live vaccines with TNF blockers.
What this interaction means in plain words
Etanercept and Influenza virus vaccine quadrivalent intranasal 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.
Why it happens
TNF inhibition reduces immune control of replicating live attenuated virus.
What to do
Avoid the live intranasal vaccine and use an inactivated injectable influenza vaccine instead.
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 Etanercept
- Bcg vaccine live + Etanercept Contraindicated
- Etanercept + Golimumab Contraindicated
- Etanercept + Measles mumps and rubella vaccine Contraindicated
- Etanercept + Measles mumps and rubella vaccine live Contraindicated
- Etanercept + Measles mumps rubella and varicella vaccine live Contraindicated
- Etanercept + Measles vaccine Contraindicated
Frequently asked questions
Can I take Etanercept with Influenza virus vaccine quadrivalent intranasal?
MediHelp rates the interaction as major. Etanercept and Influenza virus vaccine quadrivalent intranasal 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. The intranasal vaccine contains live attenuated virus, which could replicate in an immunosuppressed patient. This creates a theoretical risk of vaccine-strain influenza illness. Labeling advises against live vaccines with TNF blockers.
How serious is the interaction between Etanercept and Influenza virus vaccine quadrivalent intranasal?
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 the live intranasal vaccine and use an inactivated injectable influenza vaccine instead.
What other medicines interact with Etanercept?
MediHelp also lists interactions of Etanercept with, for example, Bcg vaccine live, Golimumab, Measles mumps and rubella vaccine. The full list is on the Etanercept page.
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