Beverljh
07-08-2008, 11:40 AM
my husband has been on niaspan for 3 weeks and since on this his blood sugar has gone up a little bit. Not over 131. He is type 2 diabetes. the doseage is 500 mg. BH
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ellemae11
07-16-2008, 08:55 AM
My husband is also a diabetic (type 2) and yes it did affect his sugar.