Drug interactions
Metformin-pioglitazone + Rufinamide
Severity: Minor
Metformin-pioglitazone and Rufinamide: 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
Rufinamide is a weak CYP3A4 inducer and could slightly lower pioglitazone exposure. The clinical significance is likely small.
What this interaction means in plain words
Metformin-pioglitazone and Rufinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Metformin-pioglitazone belongs to Endocrine; Rufinamide belongs to Central Nervous System.
Why it happens
Weak induction of CYP3A4 increases pioglitazone metabolism via a minor pathway.
What to do
No empirical dose change is needed; monitor glycemic control after rufinamide is started or stopped.
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-pioglitazone
Other interactions of Rufinamide
- Carbamazepine + Rufinamide Moderate
- Desogestrel-ethinyl estradiol + Rufinamide Moderate
- Dronedarone + Rufinamide Moderate
- Esketamine + Rufinamide Moderate
- Ethinyl estradiol-drospirenone + Rufinamide Moderate
- Ethinyl estradiol-levonorgestrel + Rufinamide Moderate
Frequently asked questions
Can I take Metformin-pioglitazone with Rufinamide?
MediHelp rates the interaction as minor. Metformin-pioglitazone and Rufinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rufinamide is a weak CYP3A4 inducer and could slightly lower pioglitazone exposure. The clinical significance is likely small.
How serious is the interaction between Metformin-pioglitazone and Rufinamide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No empirical dose change is needed; monitor glycemic control after rufinamide is started or stopped.
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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