Drug interactions
Metformin-pioglitazone + Opuntia ficus indica
Severity: Minor
Metformin-pioglitazone and Opuntia ficus indica: 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
Prickly pear cactus has been reported to have modest blood glucose lowering activity. Taken with metformin and pioglitazone it could add to their glucose-lowering effect and occasionally cause low blood sugar. Evidence is limited and mostly based on small studies.
What this interaction means in plain words
Metformin-pioglitazone and Opuntia ficus indica 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
Additive glucose-lowering effect, possibly through fiber and pectin content that slows absorption and through other poorly defined mechanisms.
What to do
Monitor blood glucose when the supplement is started or stopped. Adjust antidiabetic doses if hypoglycemia occurs.
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
Frequently asked questions
Can I take Metformin-pioglitazone with Opuntia ficus indica?
MediHelp rates the interaction as minor. Metformin-pioglitazone and Opuntia ficus indica have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Prickly pear cactus has been reported to have modest blood glucose lowering activity. Taken with metformin and pioglitazone it could add to their glucose-lowering effect and occasionally cause low blood sugar. Evidence is limited and mostly based on small studies.
How serious is the interaction between Metformin-pioglitazone and Opuntia ficus indica?
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 blood glucose when the supplement is started or stopped. Adjust antidiabetic doses if hypoglycemia occurs.
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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