According to Medilexicon's medical dictionary, hypoglycemia is Symptoms resulting from low blood glucose (normal glucose range 60-100 mg/dL [3.3-5.6 mmol/L]), which are either autonomic or neuroglycopenic.Autonomic symptoms include sweating, trembling, feelings of warmth, anxiety, and nausea.hen the hypoglycemia is more severe the following signs or symptoms are possible: The signs and symptoms that are linked to hypoglycemia may be caused by other illnesses or conditions. The only way to be sure it is hypoglycemia is with a blood test.