Depression
What is depression?
Clinical depression is an illness, a medical condition. It significantly affects the way someone feels, causing a persistent lowering of mood. Depression is often accompanied by a range of other physical and psychological symptoms that can interfere with the way a person is able to function in their everyday life. The symptoms of depression generally react positively to treatment.What are the symptoms?
Depression has a variety of symptoms and will affect everyone in different ways. Symptoms include:- feeling extremely sad or tearful;
- disturbances to normal sleep patterns;
- loss of interest and motivation;
- feeling worthless or guilty;
- loss of pleasure in activities;
- anxiety;
- changes in appetite or weight;
- loss of sexual interest;
- physical aches and pains; and
- impaired thinking or concentration.
What causes depression?
There are a number of possible causes of depression. Depression can be a reaction to a distressing situation such as loss or stress (reactive depression). Some women experience depression following the birth of a child (post-natal depression).Depression can be part of an illness such as bipolar disorder in which the person experiences extreme moods without any reason — very high and very excited, or very low and depressed.
Depression can be unrelated to any outside cause, but associated with a chemical imbalance in the brain (endogenous depression). Sometimes the person may be affected so much that they experience the symptoms of psychosis and are unable to distinguish what is real.
Children and teenagers can also become depressed. This can show itself in different ways to depression in adults, and they are best helped by a doctor who is a specialist in this area.
How many people develop depression?
About 20 per cent of people will experience a depressive illness at some time in their lives. About 6 per cent experience a more severe form of the illness.How is depression treated?
Treatment can do much to reduce and even eliminate the symptoms of depression. Treatment may include a combination of medication, individual therapy and community support. Sometimes electroconvulsive therapy (ECT) can be helpful too.- Medication
Certain medications assist the brain to restore its usual chemical balance and help control the symptoms of depression. - Individual therapy
A doctor, psychologist or other health professional talks with the person about their symptoms, and discusses alternative ways of thinking about and coping with them. - Community support programmes
This support may include information; accommodation; help with finding suitable work, training and education; and psychosocial rehabilitation and mutual support groups. Understanding and acceptance by the community are also very important.
Last Reviewed: 01 January 2005
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