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Drug interactions

Hydrocortisone + Prednisolone

Severity: Moderate

Hydrocortisone and Prednisolone: 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

Both are systemic glucocorticoids, so combining them gives duplicate therapy with additive steroid effects and adverse effects. There is no meaningful pharmacokinetic reduction of prednisolone exposure.

What this interaction means in plain words

Hydrocortisone and Prednisolone 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.

Hydrocortisone belongs to Endocrine; Prednisolone belongs to Endocrine.

Evidence level: Moderate

Why it happens

Additive glucocorticoid receptor effects (therapeutic duplication); no clinically relevant enzyme effect is established.

What to do

Avoid concurrent systemic use unless intentionally prescribed, such as stress dosing. Count total glucocorticoid dose and monitor glucose, blood pressure and infection risk.

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 Hydrocortisone with Prednisolone?

MediHelp rates the interaction as moderate. Hydrocortisone and Prednisolone 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. Both are systemic glucocorticoids, so combining them gives duplicate therapy with additive steroid effects and adverse effects. There is no meaningful pharmacokinetic reduction of prednisolone exposure.

How serious is the interaction between Hydrocortisone and Prednisolone?

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 systemic use unless intentionally prescribed, such as stress dosing. Count total glucocorticoid dose and monitor glucose, blood pressure and infection risk.

What other medicines interact with Prednisolone?

MediHelp also lists interactions of Prednisolone 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 Prednisolone 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.

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