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Drug interactions

Infliximab + Influenza virus vaccine trivalent

Severity: Minor

Infliximab and Influenza virus vaccine trivalent: minor 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

Infliximab may modestly reduce the antibody response to inactivated trivalent influenza vaccine. The vaccine is non-live and is recommended in patients on anti-TNF therapy, so this is not a true contraindication.

What this interaction means in plain words

Infliximab and Influenza virus vaccine trivalent have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

TNF blockade causes immunosuppression that can reduce vaccine-induced antibody responses.

What to do

Vaccinate as scheduled without interrupting infliximab. Remain alert to influenza symptoms even after vaccination.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Infliximab with Influenza virus vaccine trivalent?

MediHelp rates the interaction as minor. Infliximab and Influenza virus vaccine trivalent have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Infliximab may modestly reduce the antibody response to inactivated trivalent influenza vaccine. The vaccine is non-live and is recommended in patients on anti-TNF therapy, so this is not a true contraindication.

How serious is the interaction between Infliximab and Influenza virus vaccine trivalent?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate as scheduled without interrupting infliximab. Remain alert to influenza symptoms even after vaccination.

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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