Insulin is used for people who have
type 1 diabetes. It's also used if you have
type 2 diabetes and other medicines are not
controlling your blood sugar. If you have
you may need to take insulin if diet and exercise have not helped to keep
your blood sugar levels within your target range.
With little or
no insulin, sugar (glucose) in the blood can't enter your cells to be used for
energy. This causes the sugar in your blood to rise to a level that's not safe. When
your blood sugar rises past about 180 mg/dL, your kidneys start to release
sugar into the urine. This can make you
dehydrated. If that happens, your kidneys make
less urine, which means your body can't get rid of extra sugar. This is when
blood sugar levels rise.
Taking insulin can prevent symptoms of high blood sugar. It can also help to prevent emergencies
diabetic ketoacidosis (in type 1 diabetes) and
hyperosmolar coma (in type 2 diabetes). Insulin can help lower blood sugar too. This can prevent serious and permanent health problems from long-term high blood
Remember these key tips for giving insulin shots:
- Make sure you have the right dose of insulin,
especially if you are giving two types of insulin in the same
- Practice how to give your shot.
the insulin properly so that each dose will work the way it should.
How to prepare and give an insulin injection