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Metformin or Metformin ER

My regimen is 2x Metformin (500mg each) morning and 2x evening.  But 'extended release' sounds a better way to go on basis it spreads the metformin level over time rather than peaking twice a day. Should I be asking to be switched to ER ?  And if so what arguments should I make for the switch?
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15695260 tn?1549593113
Hello and welcome to the forum. Thanks for your question.  This is a good discussion to have with your doctor.  Metformin, the immediate release version and Metformin, the extended release version are the exact same medication.  The extended release version just doesn't have to be taken as often as it is released over time.  The bid or twice a day schedule with the Metformin you currently take will work as well as the once a day extended release version.  That's really the main difference.
15242955 tn?1534438461
I think asking to be on Metformin ER is an excellent query for your doctor.   To me it should be a mutual decision.    Good luck to you.
231441 tn?1333892766
Question is how well your blood sugar is controlled and whether you have any tummy issues.

One of the major reasons that people may use extended release is that it can reduce tummy upsets, if one experiences that.

However, certainly a good question for your doctor.

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