Hypoglycemia is a medical emergency that involves lower than normal (70 to 100 mg per deciliter) blood sugar. This condition can produce many symptoms. These include nausea (feeling sick), hunger, sweating, feeling sad, and heart palpitations. Hypoglycemia can make the person with it look like they are drunk or have taken drugs. It usually occurs in individuals who are diabetic, but can happen at any age and in those without diabetes mellitus. Hypoglycemia is often a complication of treatment for diabetes via insulin or via oral medications. Treatment for low blood sugar includes returning the sugar levels back to normal. This can be done by eating food. Sometimes people die from hypoglycemia.