Skip to content

Drug interactions

Enzalutamide + Methylprednisolone

Severity: Major

Enzalutamide and Methylprednisolone: major interaction.

Last updated Sources: US FDA label

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

Enzalutamide is a strong CYP3A4 inducer and can markedly lower methylprednisolone exposure. Reduced corticosteroid effect may result.

What this interaction means in plain words

Enzalutamide and Methylprednisolone 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.

Enzalutamide belongs to Endocrine; Methylprednisolone belongs to Endocrine.

Evidence level: Moderate

Why it happens

Induction of CYP3A4 by enzalutamide increases methylprednisolone metabolism.

What to do

Avoid the combination if possible. If needed, monitor for loss of steroid effect and raise the methylprednisolone dose accordingly.

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 Enzalutamide and Methylprednisolone, 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.

References

Frequently asked questions

Can I take Enzalutamide with Methylprednisolone?

MediHelp rates the interaction as major. Enzalutamide and Methylprednisolone 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. Enzalutamide is a strong CYP3A4 inducer and can markedly lower methylprednisolone exposure. Reduced corticosteroid effect may result.

How serious is the interaction between Enzalutamide and Methylprednisolone?

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 combination if possible. If needed, monitor for loss of steroid effect and raise the methylprednisolone dose accordingly.

What other medicines interact with Methylprednisolone?

MediHelp also lists interactions of Methylprednisolone with, for example, Bcg vaccine live, Measles mumps and rubella vaccine live, Measles mumps rubella and varicella vaccine live. The full list is on the Methylprednisolone 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