The NHS Dorset Diabetic Team have put together a short film to help you know what to do if you have hypoglycaemia.
Hypoglycaemia (a hypo) happens when your blood glucose level is too low. You'll need to treat a hypo if your blood glucose falls below 4mmol/L.
This can happen when you:
- delay meals
- have not had enough carbohydrate in your last meal
- do lots of exercise without having the right amount of carbohydrate or reducing your insulin dose
- take too much insulin
- drink alcohol on an empty stomach
Hypos come on fast. Be aware of the signs of a hypo so you can treat it quickly.
The most common signs are:
- being anxious or irritable
- feeling hungry
- difficulty concentrating
- blurred sight
- trembling and feeling shaky
Treating a hypo
You need to treat a hypo quickly, before it gets worse.
Eat or drink something sugary, like:
- 3 to 6 dextrose or glucose sweets
- 5 jelly babies
- 1 glass of non-diet sugary drink (a mini can of cola is ideal)
- 1 glass of fruit juice
Try not to eat:
- sugary foods that contain fat, like chocolate or cake (they do not work as well)
- too much – or your glucose levels will go too high
- Check your blood glucose after 10 minutes. If it's still low, eat something sugary again.
You may still have hypo symptoms as your blood glucose levels rise, so check your blood glucose rather than going by how you feel.
Published: Sep 26, 2023
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