Bipolar Disorder: Treatment
Bipolar disorder cannot be cured; instead, the emphasis of treatment is on effective management of acute episodes and prevention of further episodes by use of pharmacological and psychotherapeutic techniques.
Hospitalization may occur, especially with manic episodes. This can be voluntary or (if mental health legislation allows it) involuntary (called civil or involuntary commitment). Long-term inpatient stays are now less common due to deinstitutionalization, although can still occur.[67] Following (or in lieu of) a hospital admission, support services available can include drop-in centers, visits from members of a community mental health team or Assertive Community Treatment team, supported employment and patient-led support groups.[68]
Medication
The mainstay of treatment is a mood stabilizer medication; these comprise several unrelated compounds which have been shown to be effective in preventing relapses of manic, or in the one case, depressive episodes. The first known and “gold standard” mood stabilizer is lithium,[69] while almost as widely used is sodium valproate,[70] originally used as an anticonvulsant. Other anticonvulsants used in bipolar disorder include carbamazepine, reportedly more effective in rapid cycling bipolar disorder, and lamotrigine, which is the first one to be shown to be of benefit in bipolar depression.[71]
Treatment of the agitation in acute manic episodes has often required the use of antipsychotic medications, such as Quetiapine, Olanzapine and Chlorpromazine. More recently, Olanzapine and Quetiapine have been approved as effective monotherapy for the maintenance of bipolar disorder.[72] A head-to-head randomized control trial in 2005 has also shown olanzapine monotherapy to be as effective and safe as lithium in prophylaxis.[73]
The use of antidepressants in bipolar disorder has been debated, with some studies reporting a worse outcome with their use triggering manic, hypomanic or mixed episodes, especially if no mood stabiliser is used. However, most mood stabilizers are of limited effectiveness in depressive episodes.
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