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Depression: Signs and Symptoms This article is exerpted from NIH Publication No. 02-3561 Printed 2000, Reprinted September 2002. WHAT IS A DEPRESSIVE DISORDER? A depressive disorder is an illness that involves the body, mood, and thoughts. It affects the way a person eats and sleeps, the way one feels about oneself, and the way one thinks about things. A depressive disorder is not the same as a passing blue mood. It is not a sign of personal weakness or a condition that can be willed or wished away. People with a depressive illness cannot merely "pull themselves together" and get better. Without treatment, symptoms can last for weeks, months, or years. Appropriate treatment, however, can help most people who suffer from depression. TYPES OF DEPRESSION Depressive disorders come in different forms, just as is the case with other illnesses such as heart disease. This pamphlet briefly describes three of the most common types of depressive disorders. However, within these types there are variations in the number of symptoms, their severity, and persistence. Major depression is manifested by a combination of symptoms (see symptom list) that interfere with the ability to work, study, sleep, eat, and enjoy once pleasurable activities. Such a disabling episode of depression may occur only once but more commonly occurs several times in a lifetime. A less severe type of depression, dysthymia, involves long-term, chronic symptoms that do not disable, but keep one from functioning well or from feeling good. Many people with dysthymia also experience major depressive episodes at some time in their lives. Another type of depression is bipolar disorder, also called manic-depressive illness. Not nearly as prevalent as other forms of depressive disorders, bipolar disorder is characterized by cycling mood changes: severe highs (mania) and lows (depression). Sometimes the mood switches are dramatic and rapid, but most often they are gradual. When in the depressed cycle, an individual can have any or all of the symptoms of a depressive disorder. When in the manic cycle, the individual may be overactive, overtalkative, and have a great deal of energy. Mania often affects thinking, judgment, and social behavior in ways that cause serious problems and embarrassment. For example, the individual in a manic phase may feel elated, full of grand schemes that might range from unwise business decisions to romantic sprees. Mania, left untreated, may worsen to a psychotic state. SYMPTOMS OF DEPRESSION AND MANIA Not everyone who is depressed or manic experiences every symptom. Some people experience a few symptoms, some many. Severity of symptoms varies with individuals and also varies over time. Depression
Mania
Listed below are the types of people and places that will make a referral to, or provide, diagnostic and treatment services.
FURTHER INFORMATION Write to: National Institute of Mental Health ---------------- This brochure is a new version of the 1994 edition of Plain Talk About Depression and was written by Margaret Strock, Information Resources and Inquiries Branch, Office of Communications, National Institute of Mental Health (NIMH). Expert assistance was provided by Raymond DePaulo, MD, Johns Hopkins School of Medicine; Ellen Frank, MD, University of Pittsburgh School of Medicine; Jerrold F. Rosenbaum, MD, Massachusetts General Hospital; Matthew V. Rudorfer, MD, and Clarissa K. Wittenberg, NIMH staff members. Lisa D. Alberts, NIMH staff member, provided editorial assistance. This publication is in the public domain and may be used and reprinted without permission. Citation as to source is appreciated. NIH Publication No. 00-3561
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