good diabetologist in bangalore Diabetic Ketoacidosis (DKA) is a severe, life-threatening diabetes complication where the body lacks enough insulin, causing it to break down fat for fuel, producing acidic ketones that build up in the blood, leading to high blood sugar, dehydration, and metabolic acidosis, requiring urgent hospital treatment with fluids, insulin, and electrolytes. Symptoms include excessive thirst, frequent urination, fruity-smelling breath, abdominal pain, nausea