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How effective is Metformin 1000 mg a day in controlling sugar levels?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Suneetha B S

Medically reviewed by

Dr. K. Shobana

Published At March 16, 2018
Reviewed AtJuly 6, 2023

Patient's Query

Hello doctor,

I had my glucose over 600 mg/dL for about a month. I went to the ER and was diagnosed with type 2 diabetes. They put me on Metformin 500 mg twice daily. I have been taking it for almost two weeks, and my fasting glucose levels are not going under 300 mg/dL. I do not have the doctor's appointment until next week. So, shall I continue with just 1000 mg of Metformin a day? Kindly advise.

Answered by Dr. Suneetha B S


Welcome back to icliniq.com.

I understand your concern. Going by your reports (attachment removed to protect patient identity), it looks like you need an increase in the dose of medication. Your doctor may either choose to increase the dose of Metformin or to add another new drug to the existing dose of Metformin. Another option is to prescribe insulin injections. Metformin can be taken at a dose up to 1000 mg twice a day (2000 mg/day). But it is ideal for you to meet your doctor so that you get a proper prescription for a clinical examination. Lifestyle changes will help you a lot. Avoid sweet food and high-calorie food (containing oil, cheese or cream). Include lots of raw vegetables in your diet. Exercise regularly. You can start by walking 30 to 45 minutes daily. Weight loss will help you to a great extent to bring down blood sugar levels. Even a 10 % reduction in weight can reflect as significant improvement in your health status. I hope this helps. Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Suneetha B S
Dr. Suneetha B S


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