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HomeAnswersInternal MedicineinsulinMy sugar levels are under control after using Insulin and Metformin. Should I still continue them?

Is it necessary to take Insulin and Metformin even after controlling blood 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.

Medically reviewed by

iCliniq medical review team

Published At April 25, 2023
Reviewed AtMay 24, 2023

Patient's Query

Hi doctor,

I am a diabetic male smoker aged 50. I take insulin 12 IU/mL at night and 24 IU/mL in the morning. I also take Metformin 850 mg twice a day. My sugar level has always been above 150 mg/dL but now it is under 90 mg/dL. Should I still take the same dosages? Thank you


Welcome to icliniq.com.

I read your query and understand your concern.

To decide the dose of insulin and OHA (oral hypoglycemic agents), we will need FBS (fasting sugar levels) as well as 2 hrs of PPBS (post-prandial sugar levels).

When your HbA1c (hemoglobin A1c) was 15 mmol/mol, you were taking 12 units and 24 units of Insulin and Metformin. Now on these drugs, for the past 3 months, your sugar levels are controlled and that is why your current HbA1c is 9 mmol/mol. I suggest continuing the same dose but only after checking FBS and PPBS levels.

Hope this helps.

Thank you and take care.

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

Dr. Kanani Darshan Jayantilal
Dr. Kanani Darshan Jayantilal

Family Physician

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