Drug interactions
Metformin-pioglitazone + Prednisolone
Severity: Moderate
Metformin-pioglitazone 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
Systemic corticosteroids raise blood glucose by increasing hepatic gluconeogenesis and insulin resistance, opposing the effect of metformin and pioglitazone. Hyperglycemia can emerge or worsen in patients with diabetes, especially at higher doses.
What this interaction means in plain words
Metformin-pioglitazone 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.
Metformin-pioglitazone belongs to Endocrine; Prednisolone belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance and increased gluconeogenesis antagonize antidiabetic effects.
What to do
Monitor blood glucose closely during corticosteroid therapy and increase antidiabetic treatment as needed; reduce doses again when the steroid is tapered to avoid hypoglycemia.
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?
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Other interactions of Metformin-pioglitazone
Other interactions of Prednisolone
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- Measles mumps and rubella vaccine live + Prednisolone Contraindicated
- Measles mumps rubella and varicella vaccine live + Prednisolone Contraindicated
- Measles vaccine + Prednisolone Contraindicated
- Mifepristone + Prednisolone Contraindicated
- Prednisolone + Radium-223 dichloride Contraindicated
Frequently asked questions
Can I take Metformin-pioglitazone with Prednisolone?
MediHelp rates the interaction as moderate. Metformin-pioglitazone 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. Systemic corticosteroids raise blood glucose by increasing hepatic gluconeogenesis and insulin resistance, opposing the effect of metformin and pioglitazone. Hyperglycemia can emerge or worsen in patients with diabetes, especially at higher doses.
How serious is the interaction between Metformin-pioglitazone 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: Monitor blood glucose closely during corticosteroid therapy and increase antidiabetic treatment as needed; reduce doses again when the steroid is tapered to avoid hypoglycemia.
What other medicines interact with Metformin-pioglitazone?
MediHelp also lists interactions of Metformin-pioglitazone with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Metformin-pioglitazone page.
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