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My dad (69 years old) has diabetes. For the last 2-3 months, even with 10 units of insulin and regular tablets (and controlled diet), the fasting readings are 150+. Any idea why this could happen?

8 Answers
Santa Clara, CA
is he type 1 or type 2?

Fuzhou Shi, CHN
Type 2

Santa Clara, CA
I would ask the doctor to do a c peptide test to double check that it really is type 2. A lot of adults are misdiagnosed with type 2 due to age and the fact that their numbers are not very elevated but that can just mean they are still in the honeymoon phase were the Pancreas is still producing some insulin and it hasn't fully shut down yet. Might be worth looking into.

Fuzhou Shi, CHN
Thanks. He definitely has Type 2 diabetes. Has had it for the last 20 years or so. Only now is he not able to control the levels otherwise his control has been great because of the diet and tablets.

Long Beach, NY
His pancreas could have finally stopped producing insulin. He should have it checked. Good luck!

Plainfield, IN
I'm type 1 & emotions play a big role in your blood sugar levels. I get high blood sugar readings.

Mt Pleasant, SC
Make sure he's eating enough. I sometimes think less is better and it's usually not .

Immokalee, FL
Needs more insulin