NICE：儿童及青少年抑郁症的鉴别、初级治疗及二级护理

This guideline covers the identification and treatment of depression in children (5–11 years) and young people (12–18 years) in primary, community and secondary care. Depression is a broad diagnosis that can include different symptoms in different people. However, depressed mood or loss of pleasure in most activities, are key signs of depression. Depressive symptoms are frequently accompanied by symptoms of anxiety, but may also occur on their own. The International Statistical Classification of Diseases (ICD-10) uses an agreed list of 10 depressive symptoms, and divides depression into 4 categories: not depressed (fewer than 4 symptoms), mild depression (4 symptoms), moderate depression (5 to 6 symptoms), and severe depression (7 or more symptoms, with or without psychotic symptoms). For a diagnosis of depression, symptoms should be present for at least 2 weeks and every symptom should be present for most of the day.

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