Antidepressants in bipolar depression: yes, no, maybe?
1Academic Department of Psychiatry, Kolling Institute, St Leonards, New South Wales, Australia; Sydney Medical School-Northern, The University of Sydney, St Leonards, New South Wales, Australia; Department of Psychiatry, CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, New South Wales, Australia.
Evidence-Based Mental Health
|October 14, 2015
Summary
Antidepressant use in bipolar depression is debated. While one study shows increased mood episodes, another suggests low risk of mania/hypomania with monotherapy, leaving the issue unresolved.
Area of Science:
- Psychiatry and Clinical Psychology
- Pharmacological Treatments for Mood Disorders
Background:
- Antidepressants are commonly prescribed for bipolar depression.
- Evidence for antidepressant efficacy in bipolar depression is limited.
- Concerns exist regarding antidepressant-induced mania/hypomania and mood instability.
Purpose of the Study:
- To review recent evidence on antidepressant use in bipolar depression.
- To address the contentious issue of antidepressant efficacy versus risks.
Main Methods:
- Review and synthesis of two recent studies on antidepressant treatment in bipolar disorder.
- Analysis of findings regarding mood episodes and affective switching.
Main Results:
- One study indicated a threefold increase in mood episodes with long-term antidepressant continuation in rapid-cycling bipolar disorder.
- Another study suggested antidepressant monotherapy offers prophylaxis for bipolar II disorder with a low risk of switching.
- Both studies had limitations in sample size and design, contributing to unresolved debate.
Conclusions:
- The efficacy and safety of antidepressants in bipolar depression remain contentious.
- Conflicting evidence necessitates careful consideration of risks and benefits.
- Further research is needed to clarify optimal antidepressant use in bipolar disorder.
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