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Drug interactions

Methylprednisolone + Prednisone

Severity: Moderate

Methylprednisolone and Prednisone: 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

These are both systemic glucocorticoids with the same pharmacologic actions, so combining them gives duplicate therapy and additive corticosteroid adverse effects such as hyperglycemia, fluid retention, infection risk and adrenal suppression. No useful pharmacokinetic interaction is expected.

What this interaction means in plain words

Methylprednisolone and Prednisone 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.

Methylprednisolone belongs to Endocrine; Prednisone belongs to Endocrine.

Evidence level: Moderate

Why it happens

Therapeutic duplication with additive glucocorticoid receptor-mediated effects.

What to do

Avoid concurrent use of two systemic corticosteroids unless deliberately transitioning; calculate total glucocorticoid dose equivalents and monitor glucose, blood pressure and infection signs.

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.

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Frequently asked questions

Can I take Methylprednisolone with Prednisone?

MediHelp rates the interaction as moderate. Methylprednisolone and Prednisone 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. These are both systemic glucocorticoids with the same pharmacologic actions, so combining them gives duplicate therapy and additive corticosteroid adverse effects such as hyperglycemia, fluid retention, infection risk and adrenal suppression. No useful pharmacokinetic interaction is expected.

How serious is the interaction between Methylprednisolone and Prednisone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use of two systemic corticosteroids unless deliberately transitioning; calculate total glucocorticoid dose equivalents and monitor glucose, blood pressure and infection signs.

What other medicines interact with Prednisone?

MediHelp also lists interactions of Prednisone with, for example, Bcg vaccine live, Measles vaccine, Mifepristone. The full list is on the Prednisone page.

Full monographs, dosing and an interaction checker in the MediHelp app

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