Drug interactions
Metformin-pioglitazone + Prednisone
Severity: Moderate
Metformin-pioglitazone 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
Systemic prednisone raises blood glucose by increasing insulin resistance and hepatic glucose output, opposing metformin and pioglitazone. Hyperglycemia may develop or worsen in patients with diabetes, particularly at higher doses.
What this interaction means in plain words
Metformin-pioglitazone 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.
Metformin-pioglitazone belongs to Endocrine; Prednisone belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance and gluconeogenesis antagonize antidiabetic effects.
What to do
Monitor blood glucose closely during prednisone therapy and intensify antidiabetic treatment as needed; reduce doses again as the steroid is tapered.
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 Prednisone
- Bcg vaccine live + Prednisone Contraindicated
- Measles vaccine + Prednisone Contraindicated
- Mifepristone + Prednisone Contraindicated
- Prednisone + Radium-223 dichloride Contraindicated
- Prednisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Prednisone Major
Frequently asked questions
Can I take Metformin-pioglitazone with Prednisone?
MediHelp rates the interaction as moderate. Metformin-pioglitazone 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. Systemic prednisone raises blood glucose by increasing insulin resistance and hepatic glucose output, opposing metformin and pioglitazone. Hyperglycemia may develop or worsen in patients with diabetes, particularly at higher doses.
How serious is the interaction between Metformin-pioglitazone 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: Monitor blood glucose closely during prednisone therapy and intensify antidiabetic treatment as needed; reduce doses again as the steroid is tapered.
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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