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Medicines cimetidineQuestion & answer

cimetidine · Medicine question

How can cimetidine affect metformin levels?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Cimetidine may increase metformin plasma levels through competition for renal tubular secretion.

Sources for this answer

Cimetidine 200mg/5ml Oral SolutionRosemont Pharmaceuticals Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 9Document updated 12 August 2020

Sources checked 8 November 2026

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cimetidine

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