Drug interactions
Diatrizoate meglumine / diatrizoate + Linagliptin-metformin
Severity: Major
Diatrizoate meglumine / diatrizoate and Linagliptin-metformin: major 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
Iodinated contrast can cause acute kidney injury, which impairs metformin elimination. This raises the risk of metformin-associated lactic acidosis, particularly in patients with reduced eGFR or intra-arterial administration.
What this interaction means in plain words
Diatrizoate meglumine / diatrizoate and Linagliptin-metformin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Contrast-induced decline in renal function reduces metformin clearance and allows accumulation.
What to do
Hold metformin at the time of or before the procedure in patients with eGFR below 30 or with acute kidney injury or intra-arterial contrast. Recheck renal function about 48 hours later before restarting.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Linagliptin-metformin
Frequently asked questions
Can I take Diatrizoate meglumine / diatrizoate with Linagliptin-metformin?
MediHelp rates the interaction as major. Diatrizoate meglumine / diatrizoate and Linagliptin-metformin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Iodinated contrast can cause acute kidney injury, which impairs metformin elimination. This raises the risk of metformin-associated lactic acidosis, particularly in patients with reduced eGFR or intra-arterial administration.
How serious is the interaction between Diatrizoate meglumine / diatrizoate and Linagliptin-metformin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Hold metformin at the time of or before the procedure in patients with eGFR below 30 or with acute kidney injury or intra-arterial contrast. Recheck renal function about 48 hours later before restarting.
What other medicines interact with Linagliptin-metformin?
MediHelp also lists interactions of Linagliptin-metformin with, for example, Apalutamide, Carbamazepine, Contrast media. The full list is on the Linagliptin-metformin page.
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