Health encyclopaedia

Health encyclopaedia - Alphabetical Topic List

Hypoglycaemia

Hypoglycaemia (a 'hypo’) means an abnormally low level of sugar (glucose) in the blood. This is dangerous, as the brain is totally dependent on a constant supply of glucose as its sole provider of energy. It occurs mainly, but not exclusively, in people with untreated or inadequately controlled diabetes.

Untreated hypoglycaemia may lead to unconsciousness, during which the brain may be damaged from lack of energy. Fortunately most people will have some warning that their blood glucose levels are too low, giving them time to eat or drink some carbohydrate-rich food.

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