If you are type1, then this is approaching danger--diabtetic ketoacidosis.
.Seek care asap.
If type 2 and you have very high sugar
regularly, you dont need emergency care, but definitely consult with your doc asap to help with safely lower your sugar and better manage your diabetes
If you have dizziness
, blurry vision
, weakness, nausea
, excessive urination
, thirst etc..Call ems.. Asap.