Drug interactions
Metformin + Nettle
Severity: Minor
Metformin and Nettle: 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
Stinging nettle has shown glucose-lowering activity in some studies and may theoretically add to metformin's effect. Clinical significance is unclear.
What this interaction means in plain words
Metformin and Nettle 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
Theoretical additive glucose-lowering effect (pharmacodynamic).
What to do
Monitor blood glucose if nettle products are used regularly.
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
Frequently asked questions
Can I take Metformin with Nettle?
MediHelp rates the interaction as minor. Metformin and Nettle have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Stinging nettle has shown glucose-lowering activity in some studies and may theoretically add to metformin's effect. Clinical significance is unclear.
How serious is the interaction between Metformin and Nettle?
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 if nettle products are used regularly.
What other medicines interact with Metformin?
MediHelp also lists interactions of Metformin with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Metformin page.
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