Skip to content

Drug interactions

Ocrelizumab + Procarbazine

Severity: Major

Ocrelizumab and Procarbazine: 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

Ocrelizumab depletes B cells and procarbazine causes myelosuppression. Together they increase the risk of serious infection.

What this interaction means in plain words

Ocrelizumab and Procarbazine 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.

Ocrelizumab belongs to Central Nervous System; Procarbazine belongs to Oncology.

Evidence level: Low

Why it happens

Additive immunosuppression and bone marrow suppression.

What to do

Avoid concurrent use if possible; if needed, monitor blood counts and for infection.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Ocrelizumab and Procarbazine, 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 Ocrelizumab with Procarbazine?

MediHelp rates the interaction as major. Ocrelizumab and Procarbazine 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. Ocrelizumab depletes B cells and procarbazine causes myelosuppression. Together they increase the risk of serious infection.

How serious is the interaction between Ocrelizumab and Procarbazine?

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 concurrent use if possible; if needed, monitor blood counts and for infection.

What other medicines interact with Ocrelizumab?

MediHelp also lists interactions of Ocrelizumab with, for example, Adenovirus types 4 and 7 live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine live. The full list is on the Ocrelizumab 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