The Hamilton Depression Scale, often abbreviated as the HAM-D, is one of the most widely used diagnostic tools by clinicians to measure the severity of depressive symptoms. This trusted Hamilton test provides a structured method for assessing a patient's condition before, during, and after a course of treatment.

The final HAM-D score helps clinicians quantify the level of depression and track the effectiveness of treatments like therapy, medication, or advanced options like TMS and Ketamine.