How will I feel when my blood glucose (sugar) is low?

Low blood glucose, or low blood sugar, is called hypoglycemia. It is when your blood glucose is below 70 mg/dL.

A drop in blood glucose can cause: 

• dizziness or headaches

• weakness or fatigue (feeling tired)

• shaking, sweating, or a fast heartbeat

• feeling anxious or irritable 

• hunger 

• vision changes