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Can Metformin Be Taken After A CAT Scan Procedure?

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Posted on Wed, 27 Jul 2016
Twitter Wed, 27 Jul 2016 Answered on
Twitter Sat, 13 Aug 2016 Last reviewed on
Question : I just had a CAT Scan with Contrast I was told that I can not take my Metfornin this evening, When would be the best time for me to take the Metformin tomorrow morning?
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Answered by Dr. Panagiotis Zografakis (35 minutes later)
Brief Answer:
48 hours after the procedure

Detailed Answer:
Hello,

Metformin has to be withheld for 48 hours provided that the patient has not developed acute renal failure. In case of acute renal failure metformin has to be stopped completely. I mentioned acute renal failure because it's one of the most feared consequences of using contrast media in patients with diabetes and it affects the risk for side effects from metformin.

I hope it helps!
Kind Regards!
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3815 Questions

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Can Metformin Be Taken After A CAT Scan Procedure?

Brief Answer: 48 hours after the procedure Detailed Answer: Hello, Metformin has to be withheld for 48 hours provided that the patient has not developed acute renal failure. In case of acute renal failure metformin has to be stopped completely. I mentioned acute renal failure because it's one of the most feared consequences of using contrast media in patients with diabetes and it affects the risk for side effects from metformin. I hope it helps! Kind Regards!