People can take supplementary insulin to manage the condition and improve glucose absorption. If a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

When your blood sugar level gets too high — known as hyperglycemia or high blood glucose — the quickest way to reduce it is to take fast-acting insulin. Exercising is another fast, effective way to lower blood sugar. In some cases, you should go to the hospital instead of handling it at home.