If blood sugar is very high and you have symptoms like confusion, vomiting, trouble breathing, or severe weakness, seek emergency care now
Drink water
Stop eating carbohydrates and sugary drinks
Take insulin exactly as prescribed if you use it
Take any prescribed diabetes medication exactly as directed
Check your blood sugar again in 15 to 30 minutes
Do light walking only if you feel well and your blood sugar is not extremely high and you do not have ketones
If you have type 1 diabetes or are at risk for ketones, check urine or blood ketones
If ketones are moderate or large, do not exercise and seek urgent medical advice
Avoid alcohol
Avoid eating more food until your blood sugar starts coming down
Contact a healthcare professional if your blood sugar stays very high or keeps rising