What should I do if I believe I have depression?

A major depressive episode usually interferes with daily functions for at least two weeks. Tell your doctor if you have had any of the following symptoms: depressed mood, loss of interest in usual activities, significant change in weight and/or appetite, insomnia or hypersomnia, increased fatigue, feelings of guilt or worthlessness, slowed thinking or impaired concentration, a suicide attempt or thoughts of suicide.

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