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Insulin and diabetes

Everyone with type 1 diabetes needs to take insulin as a medication. And so do some people with type 2 diabetes, some people with gestational diabetes and some people with other types of diabetes.

Insulin helps you manage your blood sugar levels and helps prevents short-term or long-term serious health problems known as diabetes complications.  

What is insulin?



What is insulin resistance?

Find out what insulin resistance is and what it means for your type of diabetes - or risk of diabetes.

Type 2 diabetes and insulin

What does it mean if you have to take insulin if you have type 2 diabetes?

Using an insulin pump

Find out how insulin pumps work, which ones are available and who qualifies for one on the NHS.

Types of insulin

Find out about the different types of insulin and how to store them.

Taking too much insulin (accidental)

What can you do if if you take too much insulin?

Injecting insulin as an adult - everything you need to know

How and where to inject, insulin pens and avoiding lumps and bumps.

Insulin and children

How to give insulin injections to babies and children and tips to help them do their own injections.

Side effects of insulin

Find out the common side effects of insulin and what you can do about them.

Who discovered insulin?

Find out who discovered insulin, when and early experiments.
Next Review Date
Content last reviewed
29 September 2022
Next review due
29 September 2025
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