I have been taking Metformin since early March 2009. I take 500mg 2xdaily. Is it possible to build an immunity to it? Or is it more likely that my pancreas is putting out less insulin? I see my doc on the 30th, and I plan on taking my log book. I have noticed my numbers are higher in the am than they are the rest of the day (after I take my am dose of metformin). Should I ask for an increase in the night met dose? Or should we start talking about a different med? I have wrapped my mind around the idea of an injectable like Byetta (which I plan to mention as well).
Any input would be appreciated.
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