I'm sorry to annoy you guys with yet another Metformin question, but here it is.
When my endocrinologist gave me the sample for Metformin, he gave me the XR version. I think it was because I was worried about the gastro side effects, but he didn't say. I take it once a day, at night after dinner, and though my BG isn't stellar, I no longer feel sick because of my BG. Overall, it works out pretty well.
Anyway, my endocrinologist's office wrote me a prescription for Metformin--not XR--by mistake. Does the non-XR version last all day, or only a few hours? Should I have them rewrite the script for the XR version?
Also, I kinda already filled the Metformin prescription (I didn't notice that it didn't say XR, I was just so happy to have the prescription!). Do you think my pharmacy will fill the script for XR even though I have the non-XR in my possession? Does anyone think my insurance will cover the extra script?