Drug interactions
Metformin + Patiromer
Severity: Minor
Metformin and Patiromer: 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
Patiromer is a non-absorbed polymer that can bind co-administered oral drugs in the gut and lower their absorption. Metformin exposure may therefore be reduced, with a possible loss of glycemic control.
What this interaction means in plain words
Metformin and Patiromer 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 belongs to Endocrine; Patiromer belongs to Miscellaneous.
Why it happens
Patiromer binds oral drugs in the gastrointestinal tract, reducing their absorption.
What to do
Give metformin at least 3 hours before or 3 hours after patiromer. Monitor blood glucose if dosing separation is not feasible.
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
Other interactions of Patiromer
- Alogliptin-metformin + Patiromer Moderate
- Canagliflozin-metformin + Patiromer Moderate
- Carvedilol + Patiromer Moderate
- Ciprofloxacin + Patiromer Moderate
- Dapagliflozin-metformin + Patiromer Moderate
- Empagliflozin-metformin + Patiromer Moderate
Frequently asked questions
Can I take Metformin with Patiromer?
MediHelp rates the interaction as minor. Metformin and Patiromer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Patiromer is a non-absorbed polymer that can bind co-administered oral drugs in the gut and lower their absorption. Metformin exposure may therefore be reduced, with a possible loss of glycemic control.
How serious is the interaction between Metformin and Patiromer?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give metformin at least 3 hours before or 3 hours after patiromer. Monitor blood glucose if dosing separation is not feasible.
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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