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Antidepressant-induced rapid cycling: six case reports
1Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, New York.
Journal of Clinical Psychopharmacology
|February 1, 1993
Summary
Antidepressants can trigger rapid mood cycling, often mistaken for remission. Effective treatment requires recognizing this pattern and withdrawing the antidepressant, sometimes with L-thyroxine, for stabilization.
Area of Science:
- Psychiatry
- Pharmacology
- Mood Disorders
Background:
- Antidepressant medications are widely used for mood disorders.
- Rapid mood cycling can complicate treatment efficacy.
- Identifying iatrogenic mood destabilization is crucial for patient management.
Purpose of the Study:
- To report cases of antidepressant-induced rapid mood cycling.
- To describe the diagnostic challenges associated with mild hypomanic states.
- To outline an effective treatment strategy for this condition.
Main Methods:
- Case series reporting six patients with rapid mood cycling.
- Clinical observation of treatment responses to medication adjustments.
- Analysis of treatment outcomes following antidepressant withdrawal.
Main Results:
- Six cases of rapid mood cycling induced by antidepressant treatment were identified.
- Mild hypomanic episodes were frequently misinterpreted as treatment remission.
- Mood stabilizers were ineffective; antidepressant withdrawal was necessary for stabilization in most cases.
- Two patients required high-dose L-thyroxine for mood stabilization.
Conclusions:
- Antidepressant-induced mood destabilization requires careful recognition of cycling patterns.
- Withdrawal of the offending antidepressant agent is a key therapeutic step.
- Adjunctive treatments like L-thyroxine may be necessary for refractory cases.