text: my fasting sg 164,pp is 186, i am aged 57 please advise me? please let me know   whether  i am within the limits  adn what  i   have to do in case it exeeds limit you need to be under a doctors care. you need to be keeping a daily log of your blood sugar, so you can take it to your visit. they can advise you on a diet and exercise plan to help you learn to deal with diabetes. they can also determine if you need to be on oral medications, insulin or just a proper diet. do not ignore this problem, because it can damage all  of your vital organs if not controlled.