when is blood sugar low
Low Blood Sugar (Hypoglycemia) Low blood sugar, which is called hypoglycemia, means your body does not have enough sugar in the blood to fuel all of your bodyâs cells. Typically a low blood sugar is defined as anything below 70 mg/dL (3.8 mmol). It is also sometimes called an âinsulin reactionâ or âinsulin shockâ. When your blood sugars drops below this level, you may begin to feel a variety of symptoms.