In type 1 diabetes, the immune system destroys the cells that produce insulin.
Type 2 diabetes reduces the body's ability to respond to insulin. Consequently, the body does not produce enough insulin to manage the glucose in the body.
Most diabetic emergencies relate to disruptions in a person's blood sugar levels, but complications relating to diabetes can also lead to problems.
The warning signs of hypoglycemia include:
confusion, dizziness, and nausea
feeling hungry
feeling shaky, nervous, irritable or anxious
sweating, chills, and pale, clammy skin
rapid heartbeat
weakness and tiredness
tingling in the mouth area
headaches
seizures
coma or loss of consciousness
weight loss if hypoglycemia persists
For hyperglycaemia: The person may notice
increased thirst
the need to urinate more frequently
headaches
blurry vision
fatigue
Tests will show high levels of sugar in the blood and urine.