Lemon if used in place of salt to flavour the dishes can help in decreasing blood pressure.
Most commom causes include Diabetes mellitus, Hypertension, Glomerulonephritis, Interstitial nephritis, Polycystic kidney disease, Prolonged urine obstruction from stones or enlarged prostate, Vesicoureteral reflex, Recurrent Pyelonephritis.
In most patients Diabetes does not show any symptoms or signs. Few symptoms are increased thirst, extreme hunger, unexplained weight loss, frequent urination, fatigue, irritability, blurred vision, slow healing wounds and frequent infections.
In most patients Diabetes does not show any symptoms or signs. So presence of zero or any symptom along with increased blood sugar levels confirm the diagnosis.
Diabetes when uncontrolled can cause sudden increase in blood sugar level causing an emergency called Diabetic ketoacidosis which can be life threatening if not treated in time. Also, long standing Diabetes may lead to organ damage which can be fatal.