Warning Signs & Symptoms of DepressionDepression is not just feeling blue from time to time. Instead, depression is characterized by a long-standing, daily feeling of sadness, hopelessness, worthlessness and emptiness. A person who experiences depression cannot often see a future for themselves, and feel like the world is closing in around them. The warning signs and symptoms of depression are usually pretty clear to those around the person suffering — the person doesn’t seem at all like their normal self. The changes in the person’s mood are evident to friends and family.

Depression is also experienced as a loss of interest and energy in things the person normally enjoys doing, things like working, going out, or being with family and friends. Most people with depression also experience problems with eating and sleeping — either too much or too little. A depressed person’s memory and ability to concentrate will often be impaired too. The person with depression will often be more irritable or feel restless.

Warning Signs & Symptoms of Depression

Not everyone who is depressed experiences every symptom. Some people experience a few symptoms, some many. Severity of symptoms varies with individuals and also varies over time.

Depression

  • Persistent 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
  • Decreased energy, fatigue, being “slowed”
  • Difficulty concentrating, remembering, or making decisions
  • Insomnia, early-morning awakening, or oversleeping
  • Appetite and/or weight loss or overeating and weight gain
  • Thoughts of death or suicide; suicide attempts
  • Restlessness, irritability
  • Persistent physical symptoms that do not respond to treatment, such as headaches, digestive disorders, and chronic pain

In order for depression to be diagnosed, the person must experience these symptoms every day, for at least 2 weeks.

Types of Depression

Depressive disorders come in many different types, but each type has its own unique symptoms and treatments.

Major depression, the most common type of a depressive disorder, is characterized 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. Mental health professionals use this checklist of specific symptoms to determine whether major depression exists or not. Depression is also rated by your diagnosing physician or mental health professional in terms of its severity — mild, moderate, or severe. Severe depression is the most serious type.

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 experienced as a part of 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 sometimes even worsen into a psychotic state.

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Causes of Depression