Hello, My father is actually the one with type 2 diabetes. He was diagnosed with diabetes at the age of 17. He is 52 now. For the last few months he has been experiencing these sugar spikes randomly. He can be good in the 120 range but then 30 or 40 min later it spikes to 500. That is a massive jump and of course he feel terrible once he gets it back in control. This generally happens in the middle of the day after lunch. What could be causing this to happen?
I am thinking your father, having been diagnosed at the age of 17, probably has type 1 rather than type 2 diabetes . If he is not on insulin and is spiking like this, then he likely needs mealtime insulin and will want to discuss this with his doctor. If he is already taking mealtime insulin, then these spikes can be caused by any of the following, 1) missed insulin doses (if he is having memory issues, this could occur); 2) old insulin (over 28 days old once opened) or insulin that has been damaged by extremes in temperature; 3) injecting into sites that are lumpy; 4) getting less physical activity; 5) a change in his diet; and/or, 6) new medication. It is important for him to check his blood glucose numbers before meals and at bedtime and write the numbers down. These numbers then need to be reviewed by a diabetes specialist or experienced diabetes educator. This is a problem that can be fixed, but may take some extra effort on his part for a few weeks to try and figure out the cause.