Insulin is needed to move blood sugar (glucose) into cells.
Inside the cells, glucose is stored and later used for energy.
When you have type 2 diabetes, your fat, liver, and muscle cells do not respond correctly to insulin.
This leads to the symptoms of type 2 diabetes.
How does insulin injections work in type 2 diabetes?
The injected insulin acts as a replacement for or supplement to your body’s insulin. People with type 1 diabetes can’t make insulin, so they must inject insulin to control their blood glucose levels. Many people with type 2 diabetes can manage their blood glucose levels with lifestyle changes and oral medication.
How does insulin work type 1 diabetes?
Insulin lowers blood sugar by allowing it to leave the bloodstream and enter cells. Everyone with type 1 diabetes must take insulin every day.
How do diabetics use insulin?
Insert the needle into the rubber stopper of the clear insulin bottle. Push the plunger down to inject air into the bottle (this allows the insulin to be drawn more easily). Turn the bottle and syringe upside-down. Be sure the insulin covers the needle.
What blood sugar level requires insulin?
Insulin is usually recommended as the initial therapy for diabetes if a person’s HbA1c level at diagnosis is greater than 10% or if someone’s fasting blood glucose level is consistently above 250 mg/dl.