Criteria
The criteria below are based on the formal DSM-IV criteria for a Major Depressive Episode. A diagnoses of major depressive episode requires that the patient has—over a two-week period—experienced five or more of the symptoms below, and these must be outside the patient's normal behaviour. Either depressed mood or decreased interest or pleasure must be one of the five (although both are frequently concomitant).
Read more about this topic: Major Depressive Episode
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