Drug interactions
Folic acid + Metformin-pioglitazone
Severity: Minor
Folic acid and Metformin-pioglitazone: 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
Long-term metformin use is associated with reduced vitamin B12 absorption and may influence folate status. Folic acid supplementation does not alter metformin efficacy, and the interaction is of limited clinical importance.
What this interaction means in plain words
Folic acid and Metformin-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Folic acid belongs to Miscellaneous; Metformin-pioglitazone belongs to Endocrine.
Why it happens
Metformin may interfere with intestinal absorption of B vitamins; the effect on folate is not firmly established.
What to do
No action is needed beyond periodic vitamin B12 monitoring in long-term metformin users; folic acid should not mask B12 deficiency.
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 Folic acid
- Ethotoin + Folic acid Moderate
- Folic acid + Fosphenytoin Moderate
- Folic acid + Glucarpidase Moderate
- Folic acid + Methotrexate Moderate
- Folic acid + Pafolacianine Moderate
- Folic acid + Phenobarbital Moderate
Frequently asked questions
Can I take Folic acid with Metformin-pioglitazone?
MediHelp rates the interaction as minor. Folic acid and Metformin-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Long-term metformin use is associated with reduced vitamin B12 absorption and may influence folate status. Folic acid supplementation does not alter metformin efficacy, and the interaction is of limited clinical importance.
How serious is the interaction between Folic acid and Metformin-pioglitazone?
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 action is needed beyond periodic vitamin B12 monitoring in long-term metformin users; folic acid should not mask B12 deficiency.
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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