Southern California Depression Treatment Center

Clinical depression is a serious condition that negatively affects how a person thinks, feels, and behaves. In contrast to normal sadness, clinical depression is persistent, often interferes with a person’s ability to experience or anticipate pleasure, and significantly interferes with functioning in daily life. Untreated, symptoms can last for weeks, months, or years; and if inadequately treated, depression can lead to significant impairment, other health-related issues, and in rare cases, suicide.

The first step to being diagnosed is to visit a doctor for a medical evaluation. Certain medications, and some medical conditions such as thyroid disorder, can cause similar symptoms as depression. A doctor can rule out these possibilities by conducting a physical examination, interview and lab tests. If the doctor eliminates a medical condition as a cause, he or she can implement treatment or refer the patient to a mental health professional.

Depression is twice as common among women as among men. About 20 percent of women will experience at least one episode of depression across their lifetime. Scientists are examining many potential causes for and contributing factors to women’s increased risk for depression. Biological, life cycle, hormonal and psychosocial factors unique to women may be linked to women’s higher depression rates. Researchers have shown, for example, that hormones affect brain chemistry, impacting emotions and mood.

Before adolescence, girls and boys experience depression at about the same frequency. By adolescence, however, girls become more likely to experience depression than boys. Research points to several possible reasons for this imbalance. The biological and hormonal changes that occur during puberty likely contribute to the sharp increase in rates of depression among adolescent girls. In addition, research has suggested that girls are more likely than boys to continue feeling bad after experiencing difficult situations or events, suggesting they are more prone to depression.

Women are particularly vulnerable to depression after giving birth, when hormonal and physical changes and the new responsibility of caring for a newborn can be overwhelming. Many new mothers experience a brief episode of mild mood changes known as the “baby blues.” These symptoms usually dissipate by the 10th day. PPD lasts much longer than 10 days, and can go on for months following child birth. Acute PPD is a much more serious condition that requires active treatment and emotional support for the new mother. Some studies suggest that women who experience PPD often have had prior depressive episodes.

Treatment-resistant depression (TRD) is a term used in clinical psychiatry to describe cases of major depressive disorder that do not respond to standard treatments (at least two courses of antidepressant treatments). For many people, antidepressant treatment and/or ‘talk’ therapy (such as Cognitive Behavioral Therapy) ease symptoms of depression, but with treatment-resistant depression, little to no relief is realized. Treatment-resistant depression symptoms can range from mild to severe and may require trying a number of approaches to identify what helps. (Source: Biological Psychiatry)

Originally developed as an anesthetic, ketamine is an antagonist of the NMDA receptor in the brain. It often produces rapid antidepressant actions in patients who have failed to respond to conventional antidepressants. Studies aimed at characterizing the mechanisms by which ketamine works rapidly and effectively in severely depressed individuals is likely to lead to novel targets and agents that are safer and more long-lasting and could revolutionize the treatment of depression.