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Drug interactions

Amphotericin b + Contrast media

Severity: Major

Amphotericin b and Contrast media: 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

Amphotericin B deoxycholate is nephrotoxic, and iodinated contrast can cause contrast-associated kidney injury. Together they raise the risk of acute kidney injury, particularly in dehydrated patients or those with existing renal impairment.

What this interaction means in plain words

Amphotericin b and Contrast media 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

Additive nephrotoxicity through renal vasoconstriction and tubular injury.

What to do

Delay contrast if feasible or use the lowest dose of iso- or low-osmolar contrast, ensure adequate hydration, and monitor serum creatinine and electrolytes. Consider a lipid amphotericin formulation.

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 Amphotericin b with Contrast media?

MediHelp rates the interaction as major. Amphotericin b and Contrast media 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. Amphotericin B deoxycholate is nephrotoxic, and iodinated contrast can cause contrast-associated kidney injury. Together they raise the risk of acute kidney injury, particularly in dehydrated patients or those with existing renal impairment.

How serious is the interaction between Amphotericin b and Contrast media?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Delay contrast if feasible or use the lowest dose of iso- or low-osmolar contrast, ensure adequate hydration, and monitor serum creatinine and electrolytes. Consider a lipid amphotericin formulation.

What other medicines interact with Amphotericin b?

MediHelp also lists interactions of Amphotericin b with, for example, Cidofovir, Adefovir, Amikacin. The full list is on the Amphotericin b page.

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