Diabetes in children

Reviewed by Dr Stephen Greene, consultant paediatrician and Professor Ian Campbell, consultant physician and Dr Soon Song, consultant physician



Type 1 diabetes is the most common form of diabetes in children: 90-95 per cent of under 16s with diabetes have this type.

It is caused by the inability of the pancreas to produce insulin.

Type 1 diabetes is classified as an autoimmune disease, meaning a condition in which the body's immune system 'attacks' one of the body's own tissues or organs.

In Type 1 diabetes it's the insulin-producing cells in the pancreas that are destroyed.

How common is it?

Childhood diabetes isn't common, but there are marked variations around the world:

in England and Wales 17 children per 100,000 develop diabetes each year

in Scotland the figure is 25 per 100,000

in Finland it's 43 per 100,000

in Japan it's 3 per 100,000.

The last 30 years has seen a threefold increase in the number of cases of childhood diabetes.

In Europe and America, Type 2 diabetes has been seen for the first time in young people. This is probably in part caused by the increasing trend towards obesity in our society.

But obesity doesn't explain the increase in the numbers of Type 1 diabetes in children - who make up the majority of new cases.

What causes childhood diabetes?

As with adults, the cause of childhood diabetes is not understood. It probably involves a combination of genes and environmental triggers.

The majority of children who develop Type 1 don't have a family history of diabetes.

What are the symptoms?

The main symptoms are the same as in adults. They tend to come on over a few weeks:

thirst

weight loss

tiredness

frequent urination.

Symptoms that are more typical for children include:

tummy pains

headaches

behaviour problems.

Sometimes diabetic acidosis occurs before diabetes is diagnosed, although this happens less often in the UK due to better awareness of the symptoms to look out for.

Doctors should consider the possibility of diabetes in any child who has an otherwise unexplained history of illness or tummy pains for a few weeks.

If diabetes is diagnosed, your child should be referred to the regional specialist in childhood diabetes.

How is diabetes treated in children?

The specialised nature of managing childhood diabetes means that most children are cared for by the hospital rather than by their GP.

Most children with diabetes need insulin treatment. If this is the case, your child will need an individual insulin routine, which will be planned with the diabetes team.

Most now use frequent daily dosage regimes of fast-acting insulin during the day and slow-acting insulin at night.

Very small children normally don't need an injection at night, but will need one as they grow older.

Increasing numbers of older children use continuous insulin pumps.

Often in the first year after diagnosis, your child may need only a small dose of insulin. This is referred to as 'the honeymoon period'.

As well as insulin treatment, good glucose control and avoidance of 'hypos' (low blood glucose attacks) is important. This is because many of the complications of diabetes increase with the length of time diabetes has been present.

What can parents do?

Your child and diabetes Children bring their own problems in relation to:

diet restrictions

activity levels

compliance with instructions.

Your family and your child's medical team can help you through difficult times.

Diet

Diet guidelines Current recommendations for children with diabetes:

three main meals

two to three snacks

the whole family eats the same meals.

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