I was on Glipizide ER and had excellent blood sugar control. I was switched to Glipizide XL and even though I eat the same things my blood sugar is often over 200. Aren't this drugs the same?
Yes, extended-release [ER, XR, XL].
Yes they are but they don't always act the same in a person's body. Diabetes is a disease that has a lot of quirks and when you find something that is working for you then you stay with it as long as possible, because the next thing you try may not work as well, you just don't know, diabetes is a very individual disease, meaning each person is going to get different results almost all the time, that is why it is so hard to manage
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