What are the risks of taking metformin (Glucophage) following contrast angiography for the workup of diabetic foot ulcers?

Updated: Oct 15, 2020
  • Author: Tanzim Khan, DPM; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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To prevent the possibility of fatal lactic acidosis, patients with diabetes who are taking metformin (Glucophage) must not take this medication immediately following contrast angiography. Patients may resume taking the medication when normal renal function is confirmed 1-2 days after contrast exposure.

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