what is dual diagnosis group therapy
Dual diagnosis is the term used when a person has a mood disorder such as depression or bipolar disorder (also known as manic depression) and a problem with alcohol or drugs. A person who has a dual diagnosis has two separate illnesses, and each illness needs its own treatment plan.ual diagnosis is the term used when a person has a mood disorder such as depression or bipolar disorder (also known as manic depression) and a problem with alcohol or drugs. A person who has a dual diagnosis has two separate illnesses, and each illness needs its own treatment plan.