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| Type of diabetes | Who it affects |
|---|---|
| Type of diabetes |
Who it affects
Often diagnosed in childhood, but you can get it at any age. It cannot be prevented. |
| Type of diabetes |
Who it affects
Some people are at higher risk due to ethnicity, age, living with obesity or overweight. It can sometimes be prevented or stopped with lifestyle changes and treatment. |
| Type of diabetes |
Who it affects
Can happen during pregnancy. You can reduce your risk with lifestyle changes. Gestational diabetes usually goes away after you've given birth. |
Find out about other types of diabetes on the Diabetes UK website
The most common symptoms of diabetes are:
You can call 111 or get help from 111 online. Call 111 if you're asking about a child under 5 years old.
Not everyone with diabetes has symptoms, so it's important to get checked out.
Diabetes is caused by your body not making enough or any of a hormone called insulin, or the insulin not working properly (insulin resistance).
Insulin helps your body use glucose (sugar) for energy. Without it, the level of glucose in your blood becomes too high.
It's not possible to prevent type 1 diabetes because it's usually caused by a problem with your immune system (autoimmune condition).
You may be more likely to get type 2 or gestational diabetes because of your weight, age, ethnicity, or if other people in your family have it.
You can sometimes reduce your risk of getting type 2 and gestational diabetes by making lifestyle changes such as:
Some people have blood glucose (sugar) levels above the normal range but not high enough to be diagnosed as having diabetes. This is known as pre-diabetes or non-diabetic hyperglycaemia.
People with pre-diabetes are at greater risk of developing type 2 diabetes, but the risk can be reduced through lifestyle changes.
If you have pre-diabetes, you may be eligible for the NHS Diabetes Prevention Programme. This helps people make lifestyle changes and has been shown to help prevent type 2 diabetes.
The treatment you'll have depends on the type of diabetes you have. You'll be treated by a specialist diabetes team in hospital or at your GP surgery.
Type 1 diabetes treatment includes taking a medicine called insulin for rest of your life, and regularly checking your blood glucose (sugar) levels.
Type 2 diabetes treatment and gestational diabetes treatment includes lifestyle changes such as eating healthily, exercising and trying to lose weight, and sometimes medicines, such as metformin or insulin.
Having diabetes can increase your chance of getting other health problems, including:
Complications can develop over time and are linked to high blood glucose (sugar) levels. Managing your blood glucose well and keeping to your agreed target level can lower your chances of getting complications.
