Are There Other Types of Depression?
Other types of depression that can occur include:
Double depression -- a condition that happens when a person with chronic depression (dysthymia) experiences an episode of major depression.
Secondary depression -- a depression that develops after the development of a medical condition such as hypothyroidism, stroke, Parkinson's disease, or AIDS, or after a psychiatric problem such as schizophrenia, panic disorder, or bulimia.
Treatment-resistant depression -- a condition that doesn't respond to treatment with antidepressants, and may be longstanding or chronic. For chronic treatment-resistant depression, electroconvulsive therapy (ECT) is sometimes the treatment of choice depending on the nature and severity of symptoms.
Masked depression -- a depression that is hidden behind physical complaints for which no organic cause can be found.