you need to work with your healthcare provider preferably a diabetes educator on your goals for blood sugars and a1c. another thing you can do is look more closely at your diet by making sure the amount of carbohydrates you consume is consistent across your meals. eating regular meals at about the same time daily and keeping carbohydrate servings to 3-5 servings at meals and 1-2 snacks is beneficial. this article can get you started on carb counting but i highly recommend you see a dietitian who specializes in diabetes. to find one go to eatright. org.
no diabetic symptoms; a1c exceeds 6. 5 since prednisone; daily average <140; metformin 850 mg per day won't reduce a1c?