People with persistent low blood sugar may have hypoglycemia. Having low blood sugar is often associated with diabetes, but it is possible to experience hypoglycemia without having diabetes.
Other common causes include hormonal deficiencies, critical illnesses, and excessive alcohol consumption.
When blood sugar drops within 4 hours of eating a meal, a person may be experiencing reactive hypoglycemia. This condition is caused by excessive insulin production after eating.
Hypoglycemia symptoms including:
- trembling
- feeling weak or faint
- Headache
- feeling mentally sluggish
- confusion
- Anxiety and irritability
- feeling tearful
- heart palpitations
- turning pale
- blurred sight
- tingling lips