Drug interactions
Methylprednisolone + Rifampin
Severity: Major
Methylprednisolone and Rifampin: 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
Rifampin markedly induces CYP3A4 and reduces methylprednisolone exposure. This can lead to loss of anti-inflammatory or immunosuppressive effect, with risk of disease flare or transplant rejection.
What this interaction means in plain words
Methylprednisolone and Rifampin 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.
Why it happens
Rifampin induces CYP3A4 and other enzymes, increasing methylprednisolone clearance.
What to do
Anticipate the need for a higher methylprednisolone dose and monitor clinical response. Reduce the dose again after rifampin is stopped, as induction wanes over weeks.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Methylprednisolone and Rifampin, 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
Other interactions of Methylprednisolone
- Bcg vaccine live + Methylprednisolone Contraindicated
- Measles mumps and rubella vaccine live + Methylprednisolone Contraindicated
- Measles mumps rubella and varicella vaccine live + Methylprednisolone Contraindicated
- Measles vaccine + Methylprednisolone Contraindicated
- Methylprednisolone + Mifepristone Contraindicated
- Methylprednisolone + Rubella vaccine Contraindicated
Frequently asked questions
Can I take Methylprednisolone with Rifampin?
MediHelp rates the interaction as major. Methylprednisolone and Rifampin 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. Rifampin markedly induces CYP3A4 and reduces methylprednisolone exposure. This can lead to loss of anti-inflammatory or immunosuppressive effect, with risk of disease flare or transplant rejection.
How serious is the interaction between Methylprednisolone and Rifampin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Anticipate the need for a higher methylprednisolone dose and monitor clinical response. Reduce the dose again after rifampin is stopped, as induction wanes over weeks.
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.
