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Drug interactions

Diatrizoate + Metformin-sitagliptin

Severity: Major

Diatrizoate and Metformin-sitagliptin: 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

Intravascular iodinated contrast can cause acute kidney injury. In patients taking metformin, reduced renal clearance may lead to accumulation and lactic acidosis.

What this interaction means in plain words

Diatrizoate and Metformin-sitagliptin 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.

Evidence level: Moderate

Why it happens

Contrast-induced acute kidney injury reduces metformin elimination, leading to accumulation and lactic acidosis.

What to do

Hold metformin at the time of or before contrast in patients with eGFR below 30, acute kidney injury, or intra-arterial studies. Restart after 48 hours only once renal function is confirmed stable.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Diatrizoate with Metformin-sitagliptin?

MediHelp rates the interaction as major. Diatrizoate and Metformin-sitagliptin 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. Intravascular iodinated contrast can cause acute kidney injury. In patients taking metformin, reduced renal clearance may lead to accumulation and lactic acidosis.

How serious is the interaction between Diatrizoate and Metformin-sitagliptin?

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 contrast in patients with eGFR below 30, acute kidney injury, or intra-arterial studies. Restart after 48 hours only once renal function is confirmed stable.

What other medicines interact with Metformin-sitagliptin?

MediHelp also lists interactions of Metformin-sitagliptin with, for example, Clozapine, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Metformin-sitagliptin page.

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