can you suggest anything for my high sugar on pills and Lantus?
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Remember that the information presented here is not intended to replace the care of your own doctor. Before making any changes in the management of your own illness, you should consult your physician or other qualified medical professionals.


Question

I have had diabetes for almost 20 years and was on 1000 mg of Glucophage and 10 mg of glyburide twice per day along with Lantus at bedtime.

However, I recently had a heart attack so they took me off the metformin and placed me on 1 mg of Prandin before each meal along with 10 mg of glyburide twice per day and Lantus at bedtime. Now my blood sugar is very high (over 300 mg/dl [16.7 mmol/l] even though I eat very healthy. I just don't don't understand why my blood sugar is so high. If, you can suggest anything, I would be extremely grateful.

Answer

I wonder if part of your problem is simply lesser levels of activity after your recent illness? And you should be aware that type 2 diabetes is a progressive disorder, and so it's very likely that additional therapy will be needed as the years go by.

In any case, Prandin and the sulfonylureas (including glyburide) are about the same in what they do (they enhance insulin secretion). I wouldn't anticipate that being on both of these would do much more than being on large doses of either one (and you're on maximal dose of glyburide).

Metformin, on the other hand, works differently — as an "insulin sensitizer" — and therefore would work together with either an SU or with Prandin. So it's likely that part of your recent problem is losing the insulin sensitizer effect of metformin.

Since you're getting nowhere fast, I'd suggest you have a review of your total diabetes program (including meal plan, exercise, medications, and meter), preferably by a diabetes team. If you're doing the best possible on all other aspects of your care, maybe it's time to switch to another diabetes drug (for example, short-acting insulin at meal time, or perhaps a different combination of pills).

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