83 mg/dl is still within the normal lower limit .
It also depend upon wether you taken a meal before /how much time before testing it
Next Steps
just drink coffee with some
sugar
or lemonade with sugar and salt
it will cover both blood pressure and sugar
Health Tips
If your
sugar or Bp is extremely low
then oral fluids or sugar aren't useful
you have to go to hospital for IV fluids such as DNS in case of low sugar