What are the most common symptoms of depression?

Answered by: Michael First

The symptoms that make up the DSM-IV definition of depression are considered to be the core symptoms of depression: depressed mood, loss of interest or pleasure in usual activities, increased or decreased appetite, insomnia or sleeping too much, being agitated or slowed down, tired all the time, feeling worthless or excessively guilty, having trouble concentrative or making every day decisions, and feeling suicidal.

They might not all be the "most common" however, just the most identifying.

Other symptoms that commonly occur in depressed individuals include anxiety, irritability, and loss of interest in sex.

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Michael First, M.D.
Research Psychiatrist 

Michael B. First M.D., is a Professor of Clinical Psychiatry at Columbia University, and is a Research Psychiatrist at the Biometrics Department at the New York State Psychiatric Institute and maintains a schematherapy and psychopharmacology practice in Manhattan, Dr. First is a nationally and internationally recognized expert on psychiatric diagnosis and assessment issues and has conducted expert forensic psychiatric evaluations in both civil and criminal matters, including the 2006 trial of the 9/11 terrorist Zacarias Moussaoui.

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