What does it mean to have an insulin overdose?

Too much insulin: This is when too much Insulin was used which can lead to low blood sugar. The treatment is to give back glucose to prevent low blood sugar. Depending on which Insulin was used, it might take a little or a lot of keep your blood sugar from dropping. You might need oral glucose and in severe cases, you might need IV glucose. Call your doctor who knows you best for the best course of action.