Can You Take Ibuprofen and Metformin Together?
Metformin's FDA label directly studied coadministration with ibuprofen and found no dosing adjustment was required.
See the full Ibuprofen page and Metformin page for other reviewed interactions and reference information.
What the interaction means
Metformin's FDA prescribing information includes a pharmacokinetic drug-interaction table (Section 12, Clinical Pharmacology) that lists "Ibuprofen 400 mg" as a coadministered drug studied directly with metformin, reporting geometric mean ratios of 1.05 for AUC and 1.07 for Cmax -- effects the label characterizes as not requiring a dosing adjustment.
Why it may happen
Not applicable; the label reports the studied pharmacokinetic effect was minimal and did not warrant a dosage change.
Practical context
This is a reassuring, informational finding based on a direct pharmacokinetic study named on metformin's own label, rather than a caution. It does not address separate, independent concerns such as NSAIDs' general effect on kidney function, which can matter for metformin clearance in patients with reduced renal function -- anyone with kidney concerns should still discuss regular ibuprofen use with their prescriber.
What the sources say
Last reviewed 2026-08-24
Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.
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