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Does Metformin lead to loose motions?

Prof Dinesh Dhanwal
Prof of Medicine and Head of Endocrinology,
Maulana Azad Medical College,
New Delhi

Q: I have diabetes. My blood sugar fasting ranges from 105-114. After 1 hour 30 minutes it ranges between 150-167. I am taking Metformin 850, Celin 1000 mg and Vitamin E 400 mg after my breakfast and dinner. I am getting semi loose motions twice a day. If I don't take medicine it stops. What is the remedy for this?

A:Metformin is known to cause GIT disturbances like loose stools etc. You can stop Metformin for a week and observe whether loose stools persist or not and whether blood glucose is in the target range or not. If your FBG is between 90-130 and PP < 180 mg/dl then you can continue diet and exercise only.