Glossary >


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Hypoglycemia, also known as low blood sugar, is a condition that occurs when the body's blood sugar levels drop below normal. It is most common in people with diabetes but can also occur in people without diabetes.

Symptoms of hypoglycemia include dizziness, confusion, sweating, shakiness, hunger, and fatigue. Hypoglycemia can lead to seizures, coma, and even death if left untreated.

The most common cause of hypoglycemia is an imbalance between the amount of food eaten and insulin taken. People with diabetes often take insulin to help their bodies process the sugar in their blood. If too much insulin is taken, or if not enough food is eaten, the body's blood sugar levels can drop too low. Other causes of hypoglycemia include certain medications, alcohol, and certain medical conditions.

Treatment for hypoglycemia depends on the cause and severity of the condition. For people with diabetes, treatment typically involves eating or drinking something with sugar, such as juice or candy. If the person is unable to eat or drink, a glucagon injection may be necessary.

For people without diabetes, treatment typically involves eating or drinking something with sugar and avoiding alcohol and certain medications.

It is important to recognize hypoglycemia's signs and symptoms and seek medical attention if necessary. In addition, people with diabetes should monitor their blood sugar levels regularly and take steps to prevent hypoglycemia.

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  • American Diabetes Association. (2020). Hypoglycemia (Low Blood Glucose). Retrieved from
  • Mayo Clinic. (2020). Hypoglycemia. Retrieved from