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Related Experiment Videos

Treatment emergent affective switch: a controlled study.

R S Tamada1, C K Issler, J A Amaral

  • 1Bipolar Disorder Research Program, Department of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil. rstamada@uol.com.br

Bipolar Disorders
|July 1, 2004
PubMed
Summary
This summary is machine-generated.

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Treatment-emergent affective switch (TEAS) is less severe than spontaneous mania but has a similar duration. Patients with longer illness duration and prior TEAS history may face increased risks when using antidepressants.

Area of Science:

  • Psychiatry
  • Pharmacology
  • Clinical Neuroscience

Background:

  • Antidepressant use can precipitate mood switching in vulnerable individuals.
  • Understanding treatment-emergent affective switch (TEAS) is crucial for managing bipolar disorder.

Purpose of the Study:

  • To compare the clinical characteristics of TEAS with spontaneous mania.
  • To investigate potential risk factors and clinical features associated with TEAS.

Main Methods:

  • A comparative study involving 12 patients with TEAS and 12 patients with spontaneous mania.
  • Analysis of clinical features, illness duration, episode history, and treatment response.

Main Results:

  • TEAS patients were older, had longer illness duration, and more prior episodes, including antidepressant-associated mania.

Related Experiment Videos

  • TEAS episodes were less severe, with fewer psychotic symptoms and lower Young Mania Rating Scale scores.
  • Hospitalization was rare in TEAS, and response/remission intervals were similar to spontaneous mania.

    • Conclusions:

    • TEAS presents as a less severe but similarly timed episode compared to spontaneous mania.
    • While a causal link remains unproven, longer illness duration and prior TEAS history may increase the risk of antidepressant-induced mood switching.