translated from Spanish: What is hypoglycemia and what consequences it has

Mexico.- A very low level of blood sugar causes hypoglycemia. Sugar (glucose) is the main source of energy in the body. Hypoglycemia is not a disease per se, but a secondary symptom of diabetes treatment or an indicator of health problems that requires immediate treatment, ingesting an episode of hypoglycemia can lead to death. Critical blood glucose levels are reached when you have 70 milligrams per deciliter (mg/dL) or 3.9 millimoles per liter (mmol/L), or lower, clinical may indicate.  Treatment involves taking quick steps to bring your blood sugar back to normal, either with foods or drinks high in sugar, or with medications. Long-term treatment requires identifying and treating the underlying cause of hypoglycemia, if you want to avoid an episode of hypoglycemia, read this. 

Symptoms of hypoglycemia include: 
Irregular heart rate
Fatigue
Pale skin
Tremors
Anxiety
Sweating
Hungry
Irritability
Tingling sensation around the mouth
Crying during sleep

If left untreated immediately, the negative consequences of hypoglycemia in the body could cause seizures, visual disturbances, blurred vision, loss of consciousness, disorientation, abnormal behavior, or both, such as the inability to complete routine tasks and in fatal cases, death. Other consequences of hypoglycaemia include falls, injuries and car accidents. 

Original source in Spanish