How is Depression Treated? Depression is one of the most treatable mental disorders. 80% to 90% percent of people with depression eventually respond well to treatment. Almost all patients get some relief from their symptoms. Before diagnosis or treatment, a health professional should conduct a thorough clinical evaluation, including an interview and physical examination. The assessment will identify specific symptoms and explore medical and family history and cultural and environmental factors, to arrive at a diagnosis and formulate a plan of action. In some cases, blood tests may be done to ensure the depression is not caused by a medical condition such as a thyroid problem or vitamin deficiency (reversing…