Drug interactions
Methylprednisolone + Quercetin
Severity: Minor
Methylprednisolone and Quercetin: 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
Quercetin may inhibit P-glycoprotein and CYP3A4 in vitro, which could in theory raise methylprednisolone exposure. Human data are lacking and any effect is likely small.
What this interaction means in plain words
Methylprednisolone and Quercetin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible inhibition of intestinal P-glycoprotein and CYP3A4 by quercetin; based mainly on in vitro data.
What to do
No action generally needed; be aware of possible enhanced steroid effects with high-dose supplements.
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?
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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 Quercetin?
MediHelp rates the interaction as minor. Methylprednisolone and Quercetin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Quercetin may inhibit P-glycoprotein and CYP3A4 in vitro, which could in theory raise methylprednisolone exposure. Human data are lacking and any effect is likely small.
How serious is the interaction between Methylprednisolone and Quercetin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No action generally needed; be aware of possible enhanced steroid effects with high-dose supplements.
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.
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