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Types of Depression

 

 

All depression types are not the same. Major depression, also known as clinical depression, and chronic depression, also known as dysthymia, are the most common types. But there are also other types of depression with unique signs, symptoms, and treatment.

A Visual Guide to Understanding Depression

What Is Major Depressive Disorder?

According to the National Institute of Mental Health, major depressive disorder is characterized by a combination of symptoms that interfere with a person's ability to work, sleep, study, eat, and enjoy once-pleasurable activities.
There are times you may feel sad, lonely, or hopeless for a few days. But major depression -- clinical depression -- lasts longer and is disabling. It can prevent you from functioning normally. An episode of clinical depression may occur only once in a person's lifetime. More often, though, it recurs throughout a person's life.
In addition, with major depression, one of the symptoms must be either depressed mood or loss of interest. The symptoms should be present daily or for most of the day or nearly daily for at least two weeks. Also, the depressive symptoms must cause clinically significant distress or impairment in functioning. The symptoms cannot be due to the direct effects of a substance -- drug abuse, medications -- or a medical condition, such as hypothyroidism, nor occur within two months of the loss of a loved one.
For in-depth information, see WebMD's Major Depression.

What Is Chronic Depression or Dysthymia?

Chronic depression, or dysthymia, is characterized by a long-term (two years or more) depressed mood. There are also symptoms present that are associated with major depression but not enough for a diagnosis of major depression. Chronic depression is less severe than major depression and typically does not disable the person. If you have dysthymia or chronic depression, you may also experience one or more episodes of major depression during your lifetime.
For in-depth information, see WebMD's Chronic Depression (Dysthymia).

What Is Atypical Depression?

The key symptoms of atypical depression include:

• Overeating
• Oversleeping
• Fatigue
• Extreme sensitivity to rejection
• Moods that worsen or improve in direct response to events

Regular -- or "typical" -- depression, on the other hand, tends to be marked by pervasive sadness and a pattern of loss of appetite and difficulty fall or staying asleep.
For in-depth information, see WebMD's Atypical Depression.

What Is Bipolar Depression or Manic Depression?

Bipolar disorder -- sometimes referred to as manic depression -- is a complex mood disorder that alternates between periods of clinical depression and times of extreme elation or mania. There are two subtypes of bipolar disorder: bipolar I and bipolar II.
With bipolar I disorder, patients have a history of at least one manic episode with or without major depressive episodes.
With bipolar II disorder, patients have a history of at least one episode of major depression and at least one hypomanic (mildly elated) episode.
For in-depth information, see WebMD's Bipolar Disorder (Manic Depression).

How Is Seasonal Depression (SAD) Different From Other Types of Depression?

Seasonal depression, often called seasonal affective disorder or SAD, is a depression that occurs each year at the same time. It usually starts in the fall or winter and ends in spring or early summer. It is more than just "the winter blues" or "cabin fever." A rare form of SAD, known as "summer depression," begins in late spring or early summer and ends in fall.
For in-depth information, see WebMD's Seasonal Depression (SAD).

What Is Psychotic Depression?

With psychotic depression, delusional thoughts or other symptoms of psychosis accompany the symptoms of depression. With psychotic depression, there's a break with reality. Patients with psychotic depression experience hallucinations and delusions.
For in-depth information, see WebMD's Psychotic Depression.

What Is Postpartum Depression?

As many as 75% of new moms get the "baby blues." But about one in 10 moms develop a more serious condition called postpartum depression. According to the National Institute of Mental Health, postpartum depression is diagnosed when a new mother develops a major depressive episode within one month after delivery.
For in-depth information, see WebMD's Postpartum Depression.
No matter what depression symptoms you might have, it's important to talk to your doctor. Getting an accurate medical diagnosis and effective treatment is crucial in managing depression.