Is Intake Of Metformin Following CT Scan Contrast A Cause For Concern?

Posted on Tue, 20 Sep 2016

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Tue, 20 Sep 2016 Answered on

Wed, 12 Oct 2016 Last reviewed on

Question : My 83 year old father had a CT Scan with contrast XXXXXXX today at noon. He was told to not take his Metformin and Januvia for the next two days but forget and took them a few minutes ago. Is he in any immediate danger?

Answered by Dr. Sandip Kabra (1 hour later)

Brief Answer:
Almost No danger but tell your doctor about it.

Detailed Answer:
Hello,
Welcome to HCM,

I have read your query,

There is no danger if your father has taken a dose his diabetic drug which was asked to avoid before CT scan. Mostly oral diabetic medications are advised to avoid for couple of days to check the renal function following CT contrast.

However,if your father is passing urine very well then there is almost no need to worry and better to avoid his next two doses as directed by your doctor for 2 days.

Also, I would suggest you that you should tell to your doctor about the incident.

Regards,

Dr.Sandip Kabra

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Above answer was peer-reviewed by : Dr. Nagamani Ng