Drug interactions
Metformin-repaglinide + Ropeginterferon alfa 2b
Severity: Minor
Metformin-repaglinide and Ropeginterferon alfa 2b: minor 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
Interferons can suppress CYP450 activity through inflammatory cytokines, which could raise exposure to CYP substrates such as repaglinide. The effect is predicted rather than well characterized and the risk is hypoglycemia.
What this interaction means in plain words
Metformin-repaglinide and Ropeginterferon alfa 2b have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Cytokine-mediated suppression of CYP450 enzymes may reduce repaglinide metabolism.
What to do
Monitor glucose when starting ropeginterferon and reduce repaglinide dose if hypoglycemia develops.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Metformin-repaglinide
Frequently asked questions
Can I take Metformin-repaglinide with Ropeginterferon alfa 2b?
MediHelp rates the interaction as minor. Metformin-repaglinide and Ropeginterferon alfa 2b have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Interferons can suppress CYP450 activity through inflammatory cytokines, which could raise exposure to CYP substrates such as repaglinide. The effect is predicted rather than well characterized and the risk is hypoglycemia.
How serious is the interaction between Metformin-repaglinide and Ropeginterferon alfa 2b?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor glucose when starting ropeginterferon and reduce repaglinide dose if hypoglycemia develops.
What other medicines interact with Metformin-repaglinide?
MediHelp also lists interactions of Metformin-repaglinide with, for example, Gemfibrozil, Apalutamide, Clarithromycin. The full list is on the Metformin-repaglinide page.
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