Hamilton Depression Rating Scale
The Hamilton Depression Rating Scale (HAM-D) is a 21-item screening instrument designed to measure the severity of illness in adults already diagnosed as having depression. The HAM-D is one of the most widely used instruments for measuring outcome in mood disorders. The HAM-D offers high validity and reliability in measuring response to treatment.
The HAM-D contains items that assess:
The HAM-D is effectively used in a variety of mental health areas including primary care, psychiatric, drug trials, and related clinical, institutional, and research settings. The HAM-D is administered by a clinician or health care professional during or immediately following a client interview and takes approximately 15 to 20 minutes to complete, depending upon the interview structure.
Notes: Adapted from Hamilton M. A rating scale for depression. J Neurology Neurosurgery Psychiatry. 1960;23:56-62.