Skip to content

Drug interactions

Pneumococcal vaccine polyvalent + Ustekinumab

Severity: Minor

Pneumococcal vaccine polyvalent and Ustekinumab: 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

Ustekinumab may reduce the antibody response to inactivated pneumococcal vaccine. Protection against pneumococcal disease may be incomplete.

What this interaction means in plain words

Pneumococcal vaccine polyvalent and Ustekinumab 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: Low

Why it happens

Immunomodulation through IL-12/23 inhibition may reduce vaccine immune response.

What to do

Give pneumococcal vaccination before starting ustekinumab when feasible. Do not withhold the vaccine in treated patients.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Pneumococcal vaccine polyvalent and Ustekinumab, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Pneumococcal vaccine polyvalent with Ustekinumab?

MediHelp rates the interaction as minor. Pneumococcal vaccine polyvalent and Ustekinumab have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ustekinumab may reduce the antibody response to inactivated pneumococcal vaccine. Protection against pneumococcal disease may be incomplete.

How serious is the interaction between Pneumococcal vaccine polyvalent and Ustekinumab?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give pneumococcal vaccination before starting ustekinumab when feasible. Do not withhold the vaccine in treated patients.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in