Going to Extremes - Article Depression/depressive Disorders
Article: Going to Extremes
There is a tendency to romanticize bipolar disorder. Many artists, musicians, and writers have suffered from its mood swings. But in truth, many lives are ruined by this disease; and without effective treatment, the illness is associated with an increased risk of suicide.
Depression: Symptoms include a persistent sad mood; loss of interest or pleasure in activities that were once enjoyed; significant change in appetite or body weight; difficulty sleeping or oversleeping; physical slowing or agitation; loss of energy; feelings of worthlessness or inappropriate guilt; difficulty thinking or concentrating; and recurrent thoughts of death or suicide.
Mania: Abnormally and persistently elevated (high) mood or irritability accompanied by at least three of the following symptoms: overly-inflated self-esteem; decreased need for sleep; increased talkativeness; racing thoughts; distractibility; increased goal-directed activity such as shopping; physical agitation; and excessive involvement in risky behaviors or activities.
"Mixed" state: Symptoms of mania and depression are present at the same time. The symptom picture frequently includes agitation, trouble sleeping, significant change in appetite, psychosis, and suicidal thinking. Depressed mood accompanies manic activation.
Especially early in the course of illness, the episodes may be separated by periods of wellness during which a person suffers few to no symptoms. When four or more episodes of illness occur within a 12-month period, the person is said to have bipolar disorder with rapid cycling. Bipolar disorder is often complicated by co-occurring alcohol or substance abuse.
Severe depression or mania may be accompanied by symptoms of psychosis. These symptoms include: hallucinations (hearing, seeing, or otherwise sensing the presence of stimuli that are not there) and delusions (false personal beliefs that are not subject to reason or contradictory evidence and are not explained by a person's cultural concepts). Psychotic symptoms associated with bipolar typically reflect the extreme mood state at the time.
A variety of medications are used to treat bipolar disorder.
Lithium has long been used as a first-line treatment for bipolar disorder. Approved for the treatment of acute mania in 1970 by the U.S. Food and Drug Administration (FDA), lithium has been an effective mood-stabilizing medication for many people with bipolar disorder.
Anticonvulsant medications, particularly valproate and carbamazepine, have been used as alternatives to lithium in many cases. Valproate was FDA approved for the treatment of acute mania in 1995. Newer anticonvulsant medications, including lamotrigine, gabapentin, and topiramate, are being studied to determine their efficacy as mood stabilizers in bipolar disorder. Some research suggests that different combinations of lithium and anticonvulsants may be helpful.
According to studies conducted in Finland in patients with epilepsy, valproate may increase testosterone levels in teenage girls and produce polycystic ovary syndrome in women who began taking the medication before age 20.
During a depressive episode, people with bipolar disorder commonly require additional treatment with antidepressant medication. Typically, lithium or anticonvulsant mood stabilizers are prescribed along with an antidepressant to protect against a switch into mania or rapid cycling. The comparative efficacy of various antidepressants in bipolar disorder is currently being studied.
In some cases, the newer, atypical antipsychotic drugs such as clozapine or olanzapine may help relieve severe or refractory symptoms of bipolar disorder and prevent recurrences of mania. More research is needed to establish the safety and efficacy of atypical antipsychotics as long-term treatments for this disorder.
More than two-thirds of people with bipolar disorder have at least one close relative with the disorder or with unipolar major depression, indicating that the disease has a heritable component.
Researchers are using advanced imaging techniques to examine brain function and structure in people with bipolar disorder.
New Clinical Trial
NIMH has initiated a large-scale study at 20 sites across the U.S. to determine the most effective treatment strategies for people with bipolar disorder. This study, the Systematic Treatment Enhancement Program for Bipolar Disorder (STEP-BD), will follow patients and document their treatment outcome for 5 to 8 years. For more information, visit the
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NIH Publication No. 01-4595
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Source: National Institute of Mental Health
Cache Date: December 16, 2004
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