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Low blood sugar (hypoglycaemia)


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Some of the signs of a low blood sugar level include trembling, sweating, dizziness and a fast heartbeat.

To treat a low blood sugar level, quickly have some sweets or a sugary drink. Then have your main meal, if it's time, or a carbohydrate snack.

If you have diabetes, the main cause of a low blood sugar level is diabetes medicine, skipping meals or intense exercise.

If you have diabetes, you can lower your risk of low blood sugar by checking the level often, carrying a sugary snack with you and not skipping meals.

A low blood sugar, also called hypoglycaemia or a "hypo", is where the level of sugar (glucose) in your blood drops too low.

Page last reviewed: 24/09/2020
Next review due: 24/09/2023