Understanding Depression Ver. 2.1 | 页面 10

Types of depression

Major Depressive Disorder You can have a single bout of depression or recurring episodes.

Persistent Depressive Disorder – When depression lasts two or more years.

Bipolar Disorder – Involves cycles of depression alternating with extreme highs or manias.

Seasonal Affective Disorder – Your mood is affected by sunlight. You are more likely to be depressed during the winter.

Postpartum Depression – caused by hormonal changes following childbirth, lack of sleep and everything that goes along with taking care of a new baby.

Psychotic Depression – When major depression or bipolar disorders are accompanied by hallucinations, delusions or paranoia.

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