Most people may have symptoms of hypoglycemia when their blood sugar is 70 mg/dL or lower.
In general, symptoms vary from person to person. Most people may experience the following symptoms in an early stage: hunger, headaches, pale skin, sweating, dizziness, confusion, trembling, racing pulse, etc. If left untreated, the symptoms will become severer and it’s very likely that you’ll get more symptoms. For instance, you may feel numbness in your mouth and tongue, series of seizures, coma, passing out, nightmares or poor concentration.