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Drug interactions

Ustekinumab + Zoster vaccine live

Severity: Major

Ustekinumab and Zoster vaccine live: 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

Live zoster vaccine may cause disseminated varicella-zoster vaccine-strain infection in patients on ustekinumab. Response may also be diminished.

What this interaction means in plain words

Ustekinumab and Zoster vaccine live 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.

Evidence level: Moderate

Why it happens

Immunosuppression via IL-12/23 blockade may allow uncontrolled replication of live attenuated virus.

What to do

Avoid the live vaccine; use the recombinant non-live zoster vaccine where indicated.

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 Ustekinumab with Zoster vaccine live?

MediHelp rates the interaction as major. Ustekinumab and Zoster vaccine live 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. Live zoster vaccine may cause disseminated varicella-zoster vaccine-strain infection in patients on ustekinumab. Response may also be diminished.

How serious is the interaction between Ustekinumab and Zoster vaccine live?

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 vaccine; use the recombinant non-live zoster vaccine where indicated.

What other medicines interact with Ustekinumab?

MediHelp also lists interactions of Ustekinumab with, for example, Bcg vaccine live, Typhoid vaccine live, Adalimumab. The full list is on the Ustekinumab page.

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

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