Recheck blood glucose levels after 15 minutes of immediate treatment
If eating 15 to 20 grams of starchy foods does not increase the blood sugar levels from 70 mg/dL (3.9 mmol/L), then eat or drink one more serving of 15 to 20 grams of carbohydrates. After eating or drinking another carbohydrate serving, recheck the blood glucose level in 15 minutes. You can repeat the steps of eating and checking the blood sugar levels until the blood sugar level goes above 70 mg/dL (3.9 mmol/L).