Timing of Repeat Bloodwork After Starting Metformin


Kelly Gilmartin
 

Hi all,
What is the suggested timeframe after starting metformin to have a repeat insulin run?
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Kelly Gilmartin/Buddy
Western Massachusetts 
member since 2019
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Hi Kelly,
Here’s a link to a write up addressing the most frequently asked questions about metformin.  It suggests retesting 1 week after starting metformin.
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Martha in Vermont
ECIR Group Primary Response
July 2012 
 
Logo (dec. 7/20/19), Tobit(EC) and Pumpkin, Handy and Silver (EC/IR)

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Eleanor Kellon, VMD
 

I suggest a week. If it's going to work (doesn't always) you will have peak effect by then. No point continuing it if it isn't having a satisfactory effect. Some have reported insulins going down over a longer time frame but it's more likely that was from other changes made, not the metformin.
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Eleanor in PA

www.drkellon.com 
EC Owner 2001