Drug interactions
Glimepiride-pioglitazone + Peginterferon alfa 2b
Severity: Moderate
Glimepiride-pioglitazone and Peginterferon alfa 2b: 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
Peginterferon alfa-2b can modulate CYP450 activity and may alter exposure to CYP2C9 substrates such as glimepiride. Interferons also independently affect glucose metabolism, so glycemic control may become unpredictable.
What this interaction means in plain words
Glimepiride-pioglitazone and Peginterferon alfa 2b 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.
Glimepiride-pioglitazone belongs to Endocrine; Peginterferon alfa 2b belongs to Anti Virals.
Why it happens
Interferon-mediated changes in hepatic CYP activity and direct effects on glucose homeostasis.
What to do
Monitor blood glucose more frequently during peginterferon therapy and adjust antidiabetic doses as needed.
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 Glimepiride-pioglitazone
Other interactions of Peginterferon alfa 2b
Frequently asked questions
Can I take Glimepiride-pioglitazone with Peginterferon alfa 2b?
MediHelp rates the interaction as moderate. Glimepiride-pioglitazone and Peginterferon alfa 2b 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. Peginterferon alfa-2b can modulate CYP450 activity and may alter exposure to CYP2C9 substrates such as glimepiride. Interferons also independently affect glucose metabolism, so glycemic control may become unpredictable.
How serious is the interaction between Glimepiride-pioglitazone and Peginterferon alfa 2b?
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 more frequently during peginterferon therapy and adjust antidiabetic doses as needed.
What other medicines interact with Glimepiride-pioglitazone?
MediHelp also lists interactions of Glimepiride-pioglitazone with, for example, Fluconazole, Gemfibrozil, Insulin aspart. The full list is on the Glimepiride-pioglitazone page.
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