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Depression diagnosis : The first step to obtaining appropriate treatment is a complete physical and psychological evaluation to determine whether the person may have a depressive illness, and if so, what type. Certain medications, as well as some medical conditions, can cause symptoms of depression. Therefore, the examining physician should rule out (exclude) these possibilities through an interview, physical examination, and laboratory tests. A thorough diagnostic evaluation includes a complete history of the patient's symptoms: (1) When did the symptoms start? (2) How long have they lasted? (3) How severe are they? and (4) Have the symptoms occurred before, and, if so, were they treated and what treatment was received? The doctor should ask about alcohol and drug use, and whether the patient has had thoughts about death or suicide. Further, the history should include questions about whether other family members have had a depressive illness, and if treated, what treatments they received and which were effective. A diagnostic evaluation also includes a mental status examination to determine if the patient's speech, thought pattern, or memory has been affected, as often happens in the case of a depressive or manic-depressive illness. As of today, there is no laboratory test, blood test, or X-ray that can diagnose a mental disorder.
Depressive disorders have been with man since the beginning of recorded history. Depression is divided into two types, endogenous and neurotic. Endogenous means that the depression comes from within the body, perhaps of genetic origin, or comes out of nowhere. Neurotic or reactive depression has a clear environmental precipitating factor, such as the death of a spouse, or other significant loss, such as the loss of a job. Although there is some argument even today (as in all branches of medicines), most experts agree that: A depressive disorder is a syndrome (group of symptoms) that reflects a sad mood exceeding normal sadness or grief. More specifically, the sadness of depression is characterized by a greater intensity and duration and by more severe symptoms and functional disabilities than is normal. Depression symptoms are characterized not only by negative thoughts, moods, and behaviors, but also by specific changes in bodily functions (e.g., eating, sleeping, and sexual activity). The functional changes are often called neurovegetative signs. Certain people with depressive disorder, especially bipolar depression (manic depression), seem to have an inherited vulnerability to this condition. Depressive disorders are a huge public health problem
Types of depression : Depressive disorders come in different forms, just as do other illnesses, such as heart disease and diabetes. Three of the most common types of depressive disorders are discussed below. However, remember that within each of these types, there are variations in the number, severity, and persistence of symptoms. Major depression is characterized by a combination of symptoms, including sad mood (see symptom list), that interfere with the ability to work, sleep, eat, and enjoy once-pleasurable activities. Disabling episodes of depression can occur once, twice, or several times in a lifetime. Dysthymia is a less severe type of depression. It involves long-term (chronic) symptoms that do not disable, but yet prevent the affected person from functioning at "full steam" or from feeling good. Sometimes, people with dysthymia also experience episodes of major depression. This combination of the two types of depression is referred to as double-depression. Another type of depression is bipolar disorder, which was formerly called manic-depressive illness or manic depression. This condition shows a particular pattern of inheritance. Not nearly as common as the other types of depressive disorders, bipolar disorder involves cycles of depression and mania, or elation. Bipolar disorder is often a chronic, recurring condition. Sometimes, the mood switches are dramatic and rapid, but most often they are gradual. When in the depressed cycle, the person can experience any or all of the symptoms of a depressive disorder. When in the manic cycle, any or all of the symptoms listed under mania may be experienced. Mania often affects thinking, judgment, and social behavior in ways that cause serious problems and embarrassment. For example, unwise business or financial decisions may be made when an individual is in a manic phase.
Symptoms of depression and mania : Not everyone who is depressed or manic experiences every symptom. Some people experience a few symptoms and some many symptoms. The severity of symptoms also varies with individuals. Depression Symptoms of Manic Depression : Persistently sad, anxious, or "empty" mood. Feelings of hopelessness, pessimism. Feelings of guilt, worthlessness, helplessness. Loss of interest or pleasure in hobbies and activities that were once enjoyed, including sex. Insomnia, early-morning awakening, or oversleeping. Decreased appetite and/or weight loss, or overeating and weight gain. Fatigue, decreased energy, being "slowed down." Thoughts of death or suicide, suicide attempts. Restlessness, irritability.
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