The facts about Type 1 and Type 2 diabetes symptoms and treatments

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Check out the facts about the condition and how to cope with the symptoms.

Injection needle
Diabetes is a condition with a rapidly increasing incidence, particularly in Western societies. In 1998, there were 1.2 million people with diabetes in England and Wales combined. By 2004, there were 1.3 million people in England alone.

What is diabetes?

Insulin is a hormone, produced by the pancreas, which moves sugar (glucose) from the bloodstream into the cells, where it is used to make energy. In diabetes, glucose accumulates in the blood, due to either an absence of insulin, or a resistance to the activity of insulin. There are 2 distinct types of diabetes:

Type 1 diabetes

This is due to failure of insulin production by the pancreas, due to destruction of the insulin-producing cells by antibodies produced by the body's own immune system. It is therefore classified as an auto-immune disorder. This type of diabetes is most common in children and young adults, and only rarely starts after the age of 35. Type 1 diabetes needs treatment with insulin, which has to be given daily by injection.

Type 2 diabetes

This is much more common than Type 1, and tends to occur in an older age group. There is no failure of insulin production, but the body develops a resistance to the action of insulin, and it is thought that obesity is a major factor in the development of insulin resistance. This type of diabetes may be controlled by dietary measures alone, or may require tablets or insulin injections.

What are the symptoms?

The presenting symptoms are similar for both types of diabetes, but in Type 1, the symptoms come on quite quickly, over a period of a few weeks, and are acute. In Type 2, the symptoms are less severe, and come on more slowly, so may have been present for months or years before the sufferer goes to the doctor.

•Typical symptoms include:
•Passing urine frequently, and in large quantities
•Extreme tiredness
•Weight loss
•Blurred vision

Frequent minor infections such as boils and thrush The diagnosis is confirmed by measurement of blood sugar (glucose) levels.

What are the treatments for diabetes?

Newly diagnosed diabetics should be given lots of information, and should be seen regularly by doctors and specialist diabetic nurses, until they have got to grips with the diagnosis, their lifestyle changes and their treatment plan. Once routines have become established, the patient should hopefully be 'in charge' of their diabetes, with approximately twice-yearly review by a health professional.

How does diet affect diabetes?

It is important to limit refined sugar in all forms, but otherwise the dietary regime is a healthy balanced diet, high in complex carbohydrates and fibre. It is also important not to increase the fat content to compensate for the sugar restriction, as diabetes is associated with an increased risk of heart disease. The GI Diet is good for diabetics because they stabilise blood sugar levels.

What is the treatment for Type 1 diabetes?

Treatment is lifelong, and consists of daily insulin injections, combined with dietary measures. All newly diagnosed patients dread the idea of injecting themselves every day (and probably more than once a day), but most people get used to it remarkably quickly, and it soon becomes incorporated into their daily routine. The insulin is injected just beneath the skin of the lower abdomen or thighs. Some patients have a continuous insulin infusion from a portable pump.

What is the treatment for Type 2 diabetes?

For many Type 2 sufferers, sugar restriction and weight loss are all that are needed to stabilise blood sugar levels. Others need a combination of dietary measures and tablets, and a relatively small number eventually need a small amount of insulin as well.

How do I monitor my blood sugar?

• Diabetics monitor their own sugar levels with regular self-testing.
• A pricking device is used to obtain a drop of blood from the pulp of a finger, and this is placed on a testing strip.
• The blood sugar reading can be read from a colour chart, or the strip can be inserted into a meter that gives a numerical read-out.
• Type 1 patients need to test more often than Type 2 patients.
• A laboratory test called HbA1C is used by doctors to measure the average blood sugar over the previous 3 months.
• All patients are encouraged to know their most recent 'A1C' (pronounced A one C) level, with the aim of achieving a level below 7.

What is hypoglycaemia?

• Blood sugar monitoring is also important, especially in Type 1 diabetics, to prevent episodes of hypoglycaemia (low blood sugar).
• Hypoglycaemia is a serious complication of taking blood sugar lowering medication, especially insulin.
• The symptoms of hypoglycaemia can come on very quickly, so diabetics should carry a sugar source that they can take at the first sign of an attack.
• Symptoms include sweating, weakness, confusion, agitation, aggression, trembling, dizziness and lack of co-ordination.

What other checks do diabetics need?

Complications of poorly controlled diabetes include heart attacks, strokes and other circulatory diseases, loss of vision, kidney disease and loss of function of the nerves supplying the feet (neuropathy).

In addition to regular checks of HbA1C, blood pressure and cholesterol, diabetics should have yearly blood and urine tests to monitor the kidneys, annual eye examinations (retinopathy screening) at an accredited centre, and regular foot assessments by a chiropodist. All diabetics are strongly advised to stop smoking.

Are you worried you might have Type 2 diabetes?



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