Drug interactions
Metformin-pioglitazone + Ondansetron
Severity: Minor
Metformin-pioglitazone and Ondansetron: 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
Ondansetron may inhibit renal organic cation transporters and MATE proteins and could raise metformin concentrations. The clinical effect is likely small and unlikely to cause problems in most patients.
What this interaction means in plain words
Metformin-pioglitazone and Ondansetron 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; Ondansetron belongs to Gastrointestinal Tract.
Why it happens
Inhibition of OCT2 and MATE transporters may reduce renal tubular secretion of metformin.
What to do
No routine adjustment is needed; monitor renal function and glucose, especially in patients with renal impairment.
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 Ondansetron
- Apomorphine + Ondansetron Contraindicated
- Ondansetron + Thioridazine Contraindicated
- Ondansetron + Vandetanib Contraindicated
- Adagrasib + Ondansetron Major
- Amiodarone + Ondansetron Major
- Amisulpride + Ondansetron Major
Frequently asked questions
Can I take Metformin-pioglitazone with Ondansetron?
MediHelp rates the interaction as minor. Metformin-pioglitazone and Ondansetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ondansetron may inhibit renal organic cation transporters and MATE proteins and could raise metformin concentrations. The clinical effect is likely small and unlikely to cause problems in most patients.
How serious is the interaction between Metformin-pioglitazone and Ondansetron?
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 routine adjustment is needed; monitor renal function and glucose, especially in patients with renal impairment.
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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