India, June 7 -- Low blood glucose (below 70 mg/dL or 3.9mmol/L) or hypoglycaemia can manifest in many confusing ways, like epileptic fit, stroke, or coma. Common early symptoms include trembling (tremor), sweating, fatigue, hunger, headache, dizziness, drowsiness, and light-headedness (feeling faint).

Lower blood sugar presents with fast or irregular heartbeat, confusion, irritability, blurred vision, slurred speech, and difficulty concentrating. In severe cases (below 50mg/ dL or 2.8mmol/L), epileptic fit like seizures, stroke like weakness or paralysis of part or half of the body or loss of consciousness can occur as the brain is heavily dependent on a continuous supply of glucose, as it cannot store glucose, its primary energy source...