Table 2.

Recommendations for blood glucose monitoring.

When should BG be measured

•Routinely before meals and snacks. • Intermittently 2–3 h after meals to evaluate meal-time doses of rapid-acting insulin. • Before, every 1 h during, and after strenuous exercise. • At bedtime and before breakfast to assess the action of basal insulin. • Periodically overnight between 12 a.m. and 4 a.m., especially after strenuous exercise, and when adjusting basal insulin doses. • Before driving a car or operating potentially hazardous machinery. • To confirm symptoms of hypoglycemia and monitor response to treatment. • During intercurrent illness (together with ketone monitoring, see below).