Most people have symptoms of low blood sugar (hypoglycemia) when their blood sugar is less than 4.0 mmol/L. When your blood sugar is low, your body gives out signs that you need food. Different people have different symptoms. You will learn to know your symptoms. When you have a low blood sugar it is important to treat it properly immediately.
Early symptoms
You may:
- Feel weak
- Feel dizzy
- Feel hungry
- Tremble
- Feel shaky
- Feel sweaty or clammy
- Have a pounding heart
- Have pale skin
- Feel frightened or anxious
Late symptoms
You may:
- Feel confused
- Have a headache
- Feel cranky
- Have poor coordination
- Have bad dreams or nightmares
- Be unable keep your mind on one subject
- Feel a numbness in your mouth and tongue
- Pass out