Skip to content

Drug interactions

Ublituximab + Ustekinumab

Severity: Moderate

Ublituximab and Ustekinumab: moderate 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 (IL-12/23 inhibitor) and ublituximab (B-cell depleting) both impair immunity. Used together they may add to the risk of infection.

What this interaction means in plain words

Ublituximab and Ustekinumab can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Ublituximab belongs to Miscellaneous; Ustekinumab belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Additive immunosuppression from cytokine blockade and CD20 B-cell depletion.

What to do

Monitor for signs of infection and consider the prolonged effect of ublituximab when planning combined therapy. Screen for hepatitis B and tuberculosis as appropriate.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Ublituximab 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Ublituximab with Ustekinumab?

MediHelp rates the interaction as moderate. Ublituximab and Ustekinumab can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ustekinumab (IL-12/23 inhibitor) and ublituximab (B-cell depleting) both impair immunity. Used together they may add to the risk of infection.

How serious is the interaction between Ublituximab and Ustekinumab?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for signs of infection and consider the prolonged effect of ublituximab when planning combined therapy. Screen for hepatitis B and tuberculosis as appropriate.

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